BIOLOGY LTF DIAGNOSTIC TEST CHEMISTRY OF LIFE

Size: px
Start display at page:

Download "BIOLOGY LTF DIAGNOSTIC TEST CHEMISTRY OF LIFE"

Transcription

1 BILGY LTF DIAGNSTI TEST EMISTRY F LIFE TEST DE: Directions: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case and fill in the corresponding oval on the answer sheet. Questions 1-3 refer to the following choices: I. Protons II. Neutrons III. Electrons 1. The atomic number of an element is defined as the number of B) I and II only ) I and III only D) II and III only E) I, II, and III 2. An atom of phosphorous contains B) I and II only ) I and III only D) II and III only E) I, II, and III 3. The nucleus of an atom contains B) I and II only ) I and III only D) II and III only E) I, II, and III 4. All of the following statements are true about carbon EXEPT A) A carbon atom typically has 4 valence electrons. B) ne carbon atom can form up to 4 covalent bonds. ) arbon forms ionic bonds with hydrogen atoms. D) arbon forms a wide variety of organic compounds. E) A carbon atom can bond to other carbon atoms to form long chains. 1

2 Questions 5 and 6 refer to the following information: In your bloodstream, carbon dioxide can react with water to form carbonic acid. The balanced chemical reaction is: Use the compounds from the above reaction to answer the following questions. I. 2 II. 2 III Which of the above can be identified as a product? B) II only ) III only D) I and II only E) I and III only 6. Which of the above can be identified as a reactant? B) II only ) III only D) I and II only E) I and III only 7. Elements are substances composed of a single type of A) compound B) molecule ) ion D) protein E) atom 8. A sodium atom loses an electron to form Na +. Na + is A) an atom B) an isotope ) a covalent charge D) an ion E) an isomer 2

3 9. Each of the following exists as a molecule EXEPT A) Fe B) 2 ) D) 2 E) Which of the following chemical terms includes all the others? A) Molecule B) Element ) Polymer D) Nucleus E) Atom 11. uman blood is slightly more basic than pure water. Which of the following would best represent the p of human blood? A) p 2 B) p 6.5 ) p 7 D) p 7.3 E) p Which of the following solutions would contain the highest concentration of + ions? A) A solution with a p of 10 B) A solution with a p of 8 ) A solution with a p of 6 D) A solution with a p of 4 E) A solution with a p of A carbon atom shares electrons with two oxygen atoms to form carbon dioxide. This type of bonding is best described as A) ionic B) hydrogen ) hydrophobic D) carbon E) covalent 3

4 14. The reaction represented by the diagram above is classified as A) dehydration synthesis B) hydrogen bond formation ) hydrolysis D) decomposition E) catabolism Questions 15 and 16 refer to the following information: Becky conducted an experiment to determine the effect of enzyme concentration on the rate at which hydrogen peroxide is broken down. The enzyme she used is catalase. She place 40 ml of hydrogen peroxide into each of 5 beakers. She then added 10 ml of different concentrations of catalase enzyme into each beaker. She stopped the reaction after one minute and measured the amount of hydrogen peroxide remaining in the beakers. Becky s results are summarized in the table below. Beaker # atalase oncentration (%) Initial ydrogen Peroxide (ml) Final ydrogen Peroxide (ml) Becky neglected to label the beakers. She knows what concentration of enzyme she used, but does not know into which beaker each concentration was placed. Which concentration would correspond to the results from beaker 1? A) 0 B) 25 ) 50 D) 75 E) 100 4

5 16. f the enzyme concentrations which one would serve as Becky s control? A) 0 B) 25 ) 50 D) 75 E) In a follow up experiment, Becky boils the enzyme solutions for 10 minutes, prior to placing them in the hydrogen peroxide. What impact will boiling the enzyme have on the break down of hydrogen peroxide? A) increase the rate of reaction B) decrease the rate of reaction ) have no effect on the rate of reaction D) the rate of reaction of each beaker will be affected differently E) hydrogen peroxide will be denatured Questions refer to the following statements regarding enzyme characteristics. I. Each enzyme is very specific and can only catalyze a certain reaction by binding to its substrate at its active site. II. Enzymes lower the activation energy of a chemical reaction. III. Inhibitors are molecules that regulate the activity of enzymes. 18. Which of the statements above can best explain why hydroxylamine hydrochloride slows the catalyzed decomposition of hydrogen peroxide? B) II only ) III only D) I and II only E) II and III only 19. Which of the statements above best explains the role of an enzyme in the decomposition of a substrate? B) II only ) III only D) I and II only E) I, II, and III 20. Energy is released from ATP when A) a new ATP molecule is synthesized B) a nitrogen base is added to an ATP molecule ) electrons are added to a molecule of ATP D) a phosphate group is removed from an ATP molecule E) a phosphate group is added to an ADP molecule 5

6 21. The removal of two phosphate groups from an ATP molecule would result in A) one molecule of AMP B) one molecule of ADP ) two molecules of ADP D) a low energy ATP molecule with missing electrons E) a high energy ATP molecule containing extra electrons 22. Jenny soaked filter paper disks in a catalase solution and placed them into a beaker containing dilute hydrogen peroxide. After 30 seconds the disks floated to the surface. Which statement best explains why the disks floated? A) atalase solution is less dense than hydrogen peroxide. B) The catalase solution quickly dissolves in the hydrogen peroxide, causing the disk to float. ) xygen bubbles are produced during the breakdown of hydrogen peroxide causing the disks to float. D) ydrogen peroxide is hydrophobic causing the disks to float. E) ydrogen peroxide and catalase repel each other, causing the disks to float. 23. Which property of water allows insects to walk on water? A) Universal solvent B) igh heat of vaporization ) igh specific heat D) Less dense as a solid E) Surface tension 24. The movement of water upward from the roots to the stems and to the leaves is partially due to which property of water? A) cohesion B) high specific heat ) high heat of vaporization D) less dense as a solid E) neutral p 6

7 25. The interactions indicated by the arrows in the diagram below is an example of A) Water forming covalent bonds with other water molecules. B) ydrogen bonds forming between water molecules. ) xygen stripping electrons from hydrogen. D) Ionic bonds being broken between water molecules. E) Water molecules repelling other water molecules. 26. Which class of organic molecules is used for long term energy storage in animals? A) arbohydrates B) Triglycerides ) Waxes D) Amino acids E) Proteins 7

8 Question 27 refers to the following information and graph. An experiment is performed to measure the effect of p on the rate of an enzyme-catalyzed reaction. Each group was assigned a different p and data was collected for 120 seconds. The amount of product formed during the 120 seconds for each p was measured and graphed as shown below: 27. Which of the following is a valid conclusion of the experiment? A) The optimal p range for the enzyme used in the reaction is B) The optimal p range for the enzyme used in the reaction is 5-7. ) The p has no effect on product formation this catalyzed reaction. D) As p increases, the amount of product formed also increases. E) This enzyme functions best as a p of 10. Directions: Each group of questions below consists of five lettered answers followed by a list of numbered phrases or sentences. For each numbered phrase or sentence, select the one answer that is most closely related to it and fill in the corresponding oval on the answer sheet. Each answer may be used once, more than once or not at all in each group. Questions refer to the following types of energy. A) Kinetic B) Solar ) Potential D) Mechanical E) eat 28. What type of energy is contained in a chemical bond? 29. What type of energy is lost during energy conversions? 30. What is the ultimate source of energy for all living things? 8

9 Questions onsider the following atoms that are found in molecules of the human body. A) a, Fe, K B),, ),,, P D),,, N, S E),,, N, P 31. Which set of atoms are characteristic of nucleic acids? 32. Which set of atoms are characteristic of carbohydrates? 9

10 Questions refer to the following diagrams. N 2 2 P 2 N N A B N R D E 33. Which depicts glucose? 34. Which depicts a monomer of a protein? 35. Which depicts a monomer of fats or oils? 10

11 BILGY LTF DIAGNSTI TEST EMISTRY F LIFE TEST DE: Directions: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case and fill in the corresponding oval on the answer sheet. Question 1 refers to the following information and graph. An experiment is performed to measure the effect of p on the rate of an enzyme-catalyzed reaction. Each group was assigned a different p and data was collected for 120 seconds. The amount of product formed during the 120 seconds for each p was measured and graphed as shown below: 1. Which of the following is a valid conclusion of the experiment? A) The optimal p range for the enzyme used in the reaction is B) The optimal p range for the enzyme used in the reaction is 5-7. ) The p has no effect on product formation this catalyzed reaction. D) As p increases, the amount of product formed also increases. E) This enzyme functions best as a p of Which of the following chemical terms includes all the others? A) Molecule B) Element ) Polymer D) Nucleus E) Atom 1

12 Questions 3 and 4 refer to the following information: In your bloodstream, carbon dioxide can react with water to form carbonic acid. The balanced chemical reaction is: Use the compounds from the above reaction to answer the following questions. I. 2 II. 2 III Which of the above can be identified as a product? B) II only ) III only D) I and II only E) I and III only 4. Which of the above can be identified as a reactant? B) II only ) III only D) I and II only E) I and III only 5. Jenny soaked filter paper disks in a catalase solution and placed them into a beaker containing dilute hydrogen peroxide. After 30 seconds the disks floated to the surface. Which statement best explains why the disks floated? A) atalase solution is less dense than hydrogen peroxide. B) The catalase solution quickly dissolves in the hydrogen peroxide, causing the disk to float. ) xygen bubbles are produced during the breakdown of hydrogen peroxide causing the disks to float. D) ydrogen peroxide is hydrophobic causing the disks to float. E) ydrogen peroxide and catalase repel each other, causing the disks to float. 6. Each of the following exists as a molecule EXEPT A) Fe B) 2 ) D) 2 E) 2 2

13 7. uman blood is slightly more basic than pure water. Which of the following would best represent the p of human blood? A) p 2 B) p 6.5 ) p 7 D) p 7.3 E) p A sodium atom loses an electron to form Na +. Na + is A) an atom B) an isotope ) a covalent charge D) an ion E) an isomer Questions 9-11 refer to the following choices: I. Protons II. Neutrons III. Electrons 9. An atom of phosphorous contains B) I and II only ) I and III only D) II and III only E) I, II, and III 10. The nucleus of an atom contains B) I and II only ) I and III only D) II and III only E) I, II, and III 11. The atomic number of an element is defined as the number of B) I and II only ) I and III only D) II and III only E) I, II, and III 3

14 12. Which property of water allows insects to walk on water? A) Universal solvent B) igh heat of vaporization ) igh specific heat D) Less dense as a solid E) Surface tension 13. A carbon atom shares electrons with two oxygen atoms to form carbon dioxide. This type of bonding is best described as A) ionic B) hydrogen ) hydrophobic D) carbon E) covalent Questions refer to the following statements regarding enzyme characteristics. I. Each enzyme is very specific and can only catalyze a certain reaction by binding to its substrate at its active site. II. Enzymes lower the activation energy of a chemical reaction. III. Inhibitors are molecules that regulate the activity of enzymes. 14. Which of the statements above best explains the role of an enzyme in the decomposition of a substrate? B) II only ) III only D) I and II only E) I, II, and III 15. Which of the statements above can best explain why hydroxylamine hydrochloride slows the catalyzed decomposition of hydrogen peroxide? B) II only ) III only D) I and II only E) II and III only 4

15 16. The movement of water upward from the roots to the stems, and to the leaves, is partially due to which property of water? A) cohesion B) high specific heat ) high heat of vaporization D) less dense as a solid E) neutral p Questions 17 and 18 refer to the following information: Becky conducted an experiment to determine the effect of enzyme concentration on the rate at which hydrogen peroxide is broken down. The enzyme she used is catalase. She place 40 ml of hydrogen peroxide into each of 5 beakers. She then added 10 ml of different concentrations of catalase enzyme into each beaker. She stopped the reaction after one minute and measured the amount of hydrogen peroxide remaining in the beakers. Becky s results are summarized in the table below. Beaker # atalase oncentration (%) Initial ydrogen Peroxide (ml) Final ydrogen Peroxide (ml) Becky neglected to label the beakers. She knows what concentration of enzyme she used, but does not know into which beaker each concentration was placed. Which concentration would correspond to the results from beaker 1? A) 0 B) 25 ) 50 D) 75 E) In a follow-up experiment, Becky boils the enzyme solutions for 10 minutes, prior to placing them in the hydrogen peroxide. What impact will boiling the enzyme have on the break down of hydrogen peroxide? A) increase the rate of reaction B) decrease the rate of reaction ) have no effect on the rate of reaction D) the rate of reaction of each beaker will be affected differently E) hydrogen peroxide will be denatured 5

16 19. f the enzyme concentrations which one would serve as Becky s control? A) 0 B) 25 ) 50 D) 75 E) Elements are substances composed of a single type of A) compound B) molecule ) ion D) protein E) atom 21. All of the following statements are true about carbon EXEPT A) A carbon atom typically has 4 valence electrons. B) ne carbon atom can form up to 4 covalent bonds. ) arbon forms ionic bonds with hydrogen atoms. D) arbon forms a wide variety of organic compounds. E) A carbon atom can bond to other carbon atoms to form long chains. 22. Which class of organic molecules is used for long-term energy storage in animals? A) arbohydrates B) Triglycerides ) Waxes D) Amino acids E) Proteins 23. Which of the following solutions would contain the highest concentration of + ions? A) A solution with a p of 10 B) A solution with a p of 8 ) A solution with a p of 6 D) A solution with a p of 4 E) A solution with a p of 2 6

17 24. The interactions indicated by the arrows in the diagram below is an example of A) Water forming covalent bonds with other water molecules. B) ydrogen bonds forming between water molecules. ) xygen stripping electrons from hydrogen. D) Ionic bonds being broken between water molecules. E) Water molecules repelling other water molecules. 25. Energy is released from ATP when A) an new ATP molecule is synthesized B) a nitrogen base is added to an ATP molecule ) electrons are added to a molecule of ATP D) a phosphate group is removed from an ATP molecule E) a phosphate group is added to an ADP molecule 26. The removal of two phosphate groups from an ATP molecule would result in A) one molecule of AMP B) one molecule of ADP ) two molecules of ADP D) a low energy ATP molecule with missing electrons E) a high energy ATP molecule containing extra electrons 7

18 27. The reaction represented by the diagram above is classified as A) dehydration synthesis B) hydrogen bond formation ) hydrolysis D) decomposition E) catabolism Directions: Each group of questions below consists of five lettered answers followed by a list of numbered phrases or sentences. For each numbered phrase or sentence, select the one answer that is most closely related to it and fill in the corresponding oval on the answer sheet. Each answer may be used once, more than once or not at all in each group. Questions onsider the following atoms that are found in molecules of the human body. A) a, Fe, K B),, ),,, P D),,, N, S E),,, N, P 28. Which set of atoms are characteristic of carbohydrates? 29. Which set of atoms are characteristic of nucleic acids? Questions refer to the following types of energy. A) Kinetic B) Solar ) Potential D) Mechanical E) eat 30. What is the ultimate source of energy for all living things? 8

19 31. What type of energy is contained in a chemical bond? 32. What type of energy is lost during energy conversions? Questions refer to the following diagrams. N 2 2 P 2 N N A B N R D E 33. Which depicts a monomer of a protein? 9

20 34. Which depicts a monomer of fats or oils? 35. Which depicts glucose? 10

Study Guide: Basic Chemistry, Water, Life Compounds and Enzymes

Study Guide: Basic Chemistry, Water, Life Compounds and Enzymes Study Guide: Basic Chemistry, Water, Life Compounds and Enzymes 1. Lipids are good energy-storage molecules because a) the can absorb a large amount of energy while maintaining a constant temperature b)

More information

2.1 Atoms, Ions, and Molecules. 2.1 Atoms, Ions, and Molecules. 2.1 Atoms, Ions, and Molecules. 2.1 Atoms, Ions, and Molecules

2.1 Atoms, Ions, and Molecules. 2.1 Atoms, Ions, and Molecules. 2.1 Atoms, Ions, and Molecules. 2.1 Atoms, Ions, and Molecules All living things are based on atoms and their interactions. Living things consist of atoms of different elements. An atom is the smallest basic unit of matter. An element is one type of atom. ydrogen

More information

Chapter Two Test Chemistry. 1. If an atom contains 11 protons and 12 neutrons, its atomic number is A. 1 C. 12 B. 11 D. 23

Chapter Two Test Chemistry. 1. If an atom contains 11 protons and 12 neutrons, its atomic number is A. 1 C. 12 B. 11 D. 23 Name Chapter Two Test Chemistry 1. If an atom contains 11 protons and 12 neutrons, its atomic number is A. 1 C. 12 B. 11 D. 23 2. The nucleus is made up of all of the following: A. Electrons C. Protons

More information

Ch 3: Chemistry of Life. Chemistry Water Macromolecules Enzymes

Ch 3: Chemistry of Life. Chemistry Water Macromolecules Enzymes Ch 3: Chemistry of Life Chemistry Water Macromolecules Enzymes Chemistry Atom = smallest unit of matter that cannot be broken down by chemical means Element = substances that have similar properties and

More information

MULTIPLE CHOICE. Circle the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Circle the one alternative that best completes the statement or answers the question. Summer Work Quiz - Molecules and Chemistry Name MULTIPLE CHOICE. Circle the one alternative that best completes the statement or answers the question. 1) The four most common elements in living organisms

More information

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. AP Biology Exam 1: The Chemistry of Life Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Matter A) has mass. B) All of the choices are correct.

More information

UNIT 1: BIOCHEMISTRY

UNIT 1: BIOCHEMISTRY UNIT 1: BIOCHEMISTRY UNIT 1: Biochemistry Chapter 6.1: Chemistry of Life I. Atoms, Ions, and Molecules A. Living things consist of atoms of different elements 1. An atom is the smallest basic unit of matter

More information

Matter and Substances Section 3-1

Matter and Substances Section 3-1 Matter and Substances Section 3-1 Key Idea: All matter is made up of atoms. An atom has a positively charges core surrounded by a negatively charged region. An atom is the smallest unit of matter that

More information

THE CHEMISTRY OF LIFE

THE CHEMISTRY OF LIFE THE CHEMISTRY OF LIFE ATOMS All living things are made up of matter Atoms are the smallest unit of matter Made up of 3 subatomic particles: 1. Protons- positively charged, found in the nucleus, has mass

More information

2-1 The Nature of Matter. Atoms

2-1 The Nature of Matter. Atoms 2-1 The Nature of Matter Atoms What do we call the smallest unit of matter? Who named it? What does it mean in Greek? How many atoms would make a row 1cm long? What does this indicate? Atoms are made up

More information

2.1. KEY CONCEPT All living things are based on atoms and their interactions. 34 Reinforcement Unit 1 Resource Book

2.1. KEY CONCEPT All living things are based on atoms and their interactions. 34 Reinforcement Unit 1 Resource Book 2.1 ATOMS, IONS, AND MOLECULES KEY CONCEPT All living things are based on atoms and their interactions. All matter, whether living or nonliving, is made of the same tiny building blocks, called atoms.

More information

Elements and Isotopes

Elements and Isotopes Section 2-1 Notes Atoms Life depends on chemistry. The basic unit of matter is the atom. Atoms are incredibly small The subatomic particles that make up atoms are protons, neutrons, and electrons. Parts

More information

2017 Ebneshahidi. Dr. Ali Ebneshahidi

2017 Ebneshahidi. Dr. Ali Ebneshahidi Dr. Ali Ebneshahidi A. Introduction Chemistry science that deals with the composition of substances and the changes that take place in their composition. Organic chemistry chemistry that deals with organic

More information

Describe how proteins and nucleic acids (DNA and RNA) are related to each other.

Describe how proteins and nucleic acids (DNA and RNA) are related to each other. Name Date Molecular Biology Review Part 1 IB Papers Topic 2.1 Molecules to Metabolism Living organisms control their composition by a complex web of chemical interactions. Be able to: Explain how molecular

More information

NORTH CENTRAL HIGH SCHOOL NOTE & STUDY GUIDE. Honors Biology I

NORTH CENTRAL HIGH SCHOOL NOTE & STUDY GUIDE. Honors Biology I NOTE/STUDY GUIDE: Unit 1-2, Biochemistry Honors Biology I, Mr. Doc Miller, M.Ed. North Central High School Name: Period: Seat #: Date: NORTH CENTRAL HIGH SCHOOL NOTE & STUDY GUIDE Honors Biology I Unit

More information

Chapter 2. Chemical Basis of Life

Chapter 2. Chemical Basis of Life hapter 2 hemical Basis of Life opyright The McGrawill ompanies, Inc. Permission required for reproduction or display. Introduction: A. hemistry deals with the composition of matter and how it changes.

More information

2015 AP Biology Unit 2 PRETEST- Introduction to the Cell and Biochemistry

2015 AP Biology Unit 2 PRETEST- Introduction to the Cell and Biochemistry Name: Class: _ Date: _ 2015 AP Biology Unit 2 PRETEST- Introduction to the Cell and Biochemistry Multiple Choice Identify the choice that best completes the statement or answers the question. 1) In what

More information

Review_Unit 2 Biochemistry

Review_Unit 2 Biochemistry Review_Unit 2 Biochemistry Basic Chemistry 1. What is an element? A substance that cannot be broken down into smaller particles. 2. What are atoms? The smallest part of an element that still maintains

More information

Name Class Date. KEY CONCEPT All living things are based on atoms and their interactions. atom ion molecule

Name Class Date. KEY CONCEPT All living things are based on atoms and their interactions. atom ion molecule Section 1: Atoms, Ions, and Molecules KEY CONCEPT All living things are based on atoms and their interactions. VOCABULARY atom ion molecule element ionic bond compound covalent bond MAIN IDEA: Living things

More information

2.1 Atoms, Ions, and Molecules

2.1 Atoms, Ions, and Molecules 2.1 Atoms, Ions, and Molecules Living things consist of atoms of different elements. An atom is the smallest basic unit of matter. An element is one type of atom. 6 elements make up 99% of all living things

More information

Name Date. Chapter 2 - Chemistry Guide Microbiology (MCB 2010C) Part 1

Name Date. Chapter 2 - Chemistry Guide Microbiology (MCB 2010C) Part 1 Name Date Chapter 2 - Chemistry Guide Microbiology (MCB 2010C) Part 1 The study of biology in the 21 st century is actually the study of biochemistry. In order to be successful in this course, it is important

More information

Chemistry in Biology Section 1 Atoms, Elements, and Compounds

Chemistry in Biology Section 1 Atoms, Elements, and Compounds Name Chemistry in Biology Section 1 Atoms, Elements, and Compounds Date Main Idea Details Scan the headings and boldfaced words in Section 1 of the chapter. Predict two things that you think might be discussed.

More information

Copy into Note Packet and Return to Teacher

Copy into Note Packet and Return to Teacher Copy into Note Packet and Return to Teacher Section 1: Nature of Matter Objectives: Differentiate between atoms and elements. Analyze how compounds are formed. Distinguish between covalent bonds, hydrogen

More information

EVPP 110 Lecture Exam #1 Study Questions Fall 2003 Dr. Largen

EVPP 110 Lecture Exam #1 Study Questions Fall 2003 Dr. Largen EVPP 110 Lecture Exam #1 Study Questions Fall 2003 Dr. Largen These study questions are meant to focus your study of the material for the first exam. The absence here of a topic or point covered in lecture

More information

Full file at

Full file at MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is an uncharged particle found in the nucleus of 1) an atom and which has

More information

Bloom's Level: 1. Remember Learning Outcome: Describe the structure of atoms. Section: Topic: Chemistry

Bloom's Level: 1. Remember Learning Outcome: Describe the structure of atoms. Section: Topic: Chemistry Chapter 02 The Chemistry of Life Multiple Choice Questions 1. The primary elements making up living organisms are A. carbon, hydrogen, oxygen, and calcium. B. carbon, oxygen, iron, and chlorine. C. carbon,

More information

The Chemistry of Life

The Chemistry of Life The Chemistry of Life Things you should be able to do 1. Describe how the unique properties of water support life on Earth. 2. Explain how carbon is uniquely suited to form biological macromolecules. 3.

More information

Chapter 02 Chemical Basis of Life. Multiple Choice Questions

Chapter 02 Chemical Basis of Life. Multiple Choice Questions Seeleys Essentials of Anatomy and Physiology 8th Edition VanPutte Test Bank Full Download: http://testbanklive.com/download/seeleys-essentials-of-anatomy-and-physiology-8th-edition-vanputte-test-bank/

More information

Chemistry of Life. Chapter Two

Chemistry of Life. Chapter Two Chemistry of Life Chapter Two 1 Biology and Chemistry Biology = study of life Chemistry = study of matter and the changes it undergoes Matter anything that takes up space and has mass Life is made up of

More information

The Chemistry of Microbiology

The Chemistry of Microbiology PowerPoint Lecture Presentations prepared by Mindy Miller-Kittrell, North Carolina State University C H A P T E R 2 The Chemistry of Microbiology Atoms Matter anything that takes up space and has mass

More information

`1AP Biology Study Guide Chapter 2 v Atomic structure is the basis of life s chemistry Ø Living and non- living things are composed of atoms Ø

`1AP Biology Study Guide Chapter 2 v Atomic structure is the basis of life s chemistry Ø Living and non- living things are composed of atoms Ø `1AP Biology Study Guide Chapter 2 v Atomic structure is the basis of life s chemistry Ø Living and non- living things are composed of atoms Ø Element pure substance only one kind of atom Ø Living things

More information

the spatial arrangement of atoms in a molecule and the chemical bonds that hold the atoms together Chemical structure Covalent bond Ionic bond

the spatial arrangement of atoms in a molecule and the chemical bonds that hold the atoms together Chemical structure Covalent bond Ionic bond Chemical structure the spatial arrangement of atoms in a molecule and the chemical bonds that hold the atoms together Covalent bond bond formed by the sharing of valence electrons between atoms Ionic bond

More information

Biology Unit 2 Chemistry of Life (Ch. 6) Guided Notes

Biology Unit 2 Chemistry of Life (Ch. 6) Guided Notes Name Biology Unit 2 Chemistry of Life (Ch. 6) Guided Notes Atoms, Elements, and Chemical Bonding I can draw atom models and identify the # protons, # neutrons, and # electrons in an atom. I can identify

More information

Chemistry in Biology. Section 1. Atoms, Elements, and Compounds

Chemistry in Biology. Section 1. Atoms, Elements, and Compounds Section 1 Atoms, Elements, and Compounds Atoms! Chemistry is the study of matter.! Atoms are the building blocks of matter.! Neutrons and protons are located at the center of the atom.! Protons are positively

More information

The Chemistry and Energy of Life

The Chemistry and Energy of Life 2 The Chemistry and Energy of Life Chapter 2 The Chemistry and Energy of Life Key Concepts 2.1 Atomic Structure Is the Basis for Life s Chemistry 2.2 Atoms Interact and Form Molecules 2.3 Carbohydrates

More information

Chapter 2: Chemical Basis of Life I. Introduction A. The study of chemistry is essential for the study of physiology because

Chapter 2: Chemical Basis of Life I. Introduction A. The study of chemistry is essential for the study of physiology because Shier, Butler, and Lewis: Hole s Human Anatomy and Physiology, 11 th ed. Chapter 2: Chemical Basis of Life Chapter 2: Chemical Basis of Life I. Introduction A. The study of chemistry is essential for the

More information

Biology Keystone (PA Core) Quiz The Chemical Basis for Life - (BIO.A ) Water Properties, (BIO.A ) Carbon, (BIO.A.2.2.

Biology Keystone (PA Core) Quiz The Chemical Basis for Life - (BIO.A ) Water Properties, (BIO.A ) Carbon, (BIO.A.2.2. Biology Keystone (PA Core) Quiz The Chemical Basis for Life - (BIO.A.2.1.1 ) Water Properties, (BIO.A.2.2.1 ) Carbon, (BIO.A.2.2.2 ) Macromolecules Student Name: Teacher Name: Jared George 1) The first

More information

The Chemical Level of Organization

The Chemical Level of Organization Scuola di Ingegneria Industriale e dell Informazione Course 096125 (095857) Introduction to Green and Sustainable Chemistry The Chemical Level of Organization Prof. (and Ada Truscello) Dept. CMIC http://iscamap.chem.polimi.it/citterio/education/course-topics/

More information

BIOCHEMISTRY 10/9/17 CHEMISTRY OF LIFE. Elements: simplest form of a substance - cannot be broken down any further without changing what it is

BIOCHEMISTRY 10/9/17 CHEMISTRY OF LIFE. Elements: simplest form of a substance - cannot be broken down any further without changing what it is BIOCHEMISTRY CHEMISTRY OF LIFE Elements: simplest form of a substance - cannot be broken down any further without changing what it is THE ATOM Just like cells are the basic unit of life, the ATOM is the

More information

Chapter 002 The Chemistry of Biology

Chapter 002 The Chemistry of Biology Chapter 002 The Chemistry of Biology Multiple Choice Questions 1. Anything that occupies space and has mass is called A. Atomic B. Living C. Matter D. Energy E. Space 2. The electrons of an atom are A.

More information

Chapter 6 Chemistry in Biology

Chapter 6 Chemistry in Biology Section 1: Atoms, Elements, and Compounds Section 2: Chemical Reactions Section 3: Water and Solutions Section 4: The Building Blocks of Life Click on a lesson name to select. 6.1 Atoms, Elements, and

More information

Chemistry Review. Structure of an Atom. The six most abundant elements of life. Types of chemical bonds. U n i t 2 - B i o c h e m i s t r y

Chemistry Review. Structure of an Atom. The six most abundant elements of life. Types of chemical bonds. U n i t 2 - B i o c h e m i s t r y Chemistry Review Structure of an Atom are organized into shells or levels around the nucleus. Atoms are most stable when their outer or valence shell is. The six most abundant elements of life Types of

More information

Atoms. Atoms 9/9/2015

Atoms. Atoms 9/9/2015 The Chemistry of Life The Nature of Matter, Water,Carbon Compounds, Chemical Reactions and Enzymes The Nature of Matter B.1.9 Both living and nonliving things are composed of compounds, which are themselves

More information

Chapter 2 Chemistry of Life

Chapter 2 Chemistry of Life Chapter 2 Chemistry of Life Section 2.1 Atoms, Ions and Molecules Section 2.2 Properties of water Section 2.3 Carbon-based Molecules Section 2.4 Chemical Reactions Section 2.5 - Enzymes 1 Atoms, Ions and

More information

Ch. 2 BASIC CHEMISTRY. Copyright 2010 Pearson Education, Inc.

Ch. 2 BASIC CHEMISTRY. Copyright 2010 Pearson Education, Inc. Ch. 2 BASIC CHEMISTRY Matter and Composition of Matter Definition: Anything that has mass and occupies space Matter is made up of elements An element cannot be broken down by ordinary chemical means Atoms

More information

Atoms. - Proton - Neutron. - Electron

Atoms. - Proton - Neutron. - Electron Chemistry of Life Atoms - The basic unit of matter is called an Atom - Atoms are incredibly small, but despite its extremely small size, an atom contains subatomic particles that are even smaller - Three

More information

Guided Notes Unit 1: Biochemistry

Guided Notes Unit 1: Biochemistry Name: Date: Block: Chapter 2: The Chemistry of Life I. Concept 2.1: Atoms, Ions, and Molecules a. Atoms Guided Notes Unit 1: Biochemistry i. Atom: _ ii. (They are SUPER small! It would take 3 million carbon

More information

Chapter 2 Concepts of Chemistry

Chapter 2 Concepts of Chemistry Anatomy Physiology and Disease for the Health Professions 3rd Edition Booth Test Bank Full Download: http://testbanklive.com/download/anatomy-physiology-and-disease-for-the-health-professions-3rd-edition-booth-te

More information

Microbiology with Diseases by Taxonomy, 5e (Bauman) Chapter 2 The Chemistry of Microbiology. 2.1 Multiple Choice Questions

Microbiology with Diseases by Taxonomy, 5e (Bauman) Chapter 2 The Chemistry of Microbiology. 2.1 Multiple Choice Questions Microbiology with Diseases by Taxonomy, 5e (Bauman) Chapter 2 The Chemistry of Microbiology 2.1 Multiple Choice Questions 1) Which of the following does not contribute significantly to the mass of an atom?

More information

2/25/2013. Electronic Configurations

2/25/2013. Electronic Configurations 1 2 3 4 5 Chapter 2 Chemical Principles The Structure of Atoms Chemistry is the study of interactions between atoms and molecules The atom is the smallest unit of matter that enters into chemical reactions

More information

Solutions. Solutions. Water Basics 10/24/ Water Properties

Solutions. Solutions. Water Basics 10/24/ Water Properties 0/24/206 O Water Basics Polar: part of a molecule is slightly positive, while another part is slightly negative Oxygen hogs electrons from hydrogen; results in negative charge on oxygen and positive charge

More information

Biology 30 The Chemistry of Living Things

Biology 30 The Chemistry of Living Things Biology 30 The Chemistry of Living Things Hierarchy of organization: Chemistry: MATTER: Periodic Table: ELEMENT: Ex. oxygen, gold, copper, carbon COMPOUND: Ex. salt (NaCl), H 2 O ELEMENTS ESSENTIAL TO

More information

A Brief Overview of Biochemistry. And I mean BRIEF!

A Brief Overview of Biochemistry. And I mean BRIEF! A Brief Overview of Biochemistry And I mean BRIEF! Introduction A. Chemistry deals with the composition of substances and how they change. B. A knowledge of chemistry is necessary for the understanding

More information

Name Biology Chapter 2 Note-taking worksheet

Name Biology Chapter 2 Note-taking worksheet Name Biology Chapter 2 Note-taking worksheet The Nature of Matter 1. Life depends on Atoms 1. The study of chemistry starts with the basic unit of matter, the. 2. The atom was first used by the Greek philosopher

More information

chpt. 2 review Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question.

chpt. 2 review Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question. Name: Class: Date: chpt. 2 review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Subatomic particles are a. particles that are smaller than an atom. b.

More information

2.1. All living things are based on atoms and their interactions. Living things consist of atoms of different elements.

2.1. All living things are based on atoms and their interactions. Living things consist of atoms of different elements. SECTION 2.1 ATOMS, IONS, AND MOLECULES Study Guide KEY CONCEPT All living things are based on atoms and their interactions. VOCABULARY atom ion molecule element ionic bond compound covalent bond Living

More information

Biology Chapter 2: The Chemistry of Life. title 4 pictures, with color (black and white don t count!)

Biology Chapter 2: The Chemistry of Life. title 4 pictures, with color (black and white don t count!) 33 Biology Chapter 2: The Chemistry of Life title 4 pictures, with color (black and white don t count!) 34 Chapter 2: The Chemistry of Life Goals Highlight all unknown words 35-36 Chapter 2: The Chemistry

More information

UNIT 2 CHEMISTRY. Atomic Structure: Ionic Bond: Covalent Bond: Hydrogen Bond:

UNIT 2 CHEMISTRY. Atomic Structure: Ionic Bond: Covalent Bond: Hydrogen Bond: UNIT 2 CHEMISTRY Atomic Structure: Ionic Bond: Hydrogen Bond: Covalent Bond: 1 Carbohydrates: >energy yield- >elements- >monomers- >functions- >examples- >misc- Lipids: Proteins: Nucleic Acids: I. Energy

More information

BIOCHEMISTRY NOTES - UNIT 2-

BIOCHEMISTRY NOTES - UNIT 2- BIOCHEMISTRY NOTES - UNIT 2- ATOMS - the basic unit of matter. Contains subatomic particles o (+ charge) o (no charge/neutral) o (- charge) Protons and neutrons have about the same mass. Electrons are

More information

Basic Chemistry. Chapter 2 BIOL1000 Dr. Mohamad H. Termos

Basic Chemistry. Chapter 2 BIOL1000 Dr. Mohamad H. Termos Basic Chemistry Chapter 2 BIOL1000 Dr. Mohamad H. Termos Chapter 2 Objectives Following this chapter, you should be able to describe: - Atoms, molecules, and ions - Composition and properties - Types of

More information

Biology Unit 4. Chemistry of Life

Biology Unit 4. Chemistry of Life Biology Unit 4 Chemistry of Life Elements Everything in our universe that has a mass and a volume is made of matter. Matter in its purest form is an element. There are 118 elements on the periodic table,

More information

Teacher Instructions

Teacher Instructions Teacher Instructions To print handouts for students Go to File print, change Print what: to handouts, change # per page if desired to enlarge slides on page Change Print range to slides and type in slide

More information

2 4 Chemical Reactions and Enzymes

2 4 Chemical Reactions and Enzymes 2 4 Chemical Reactions and Enzymes THINK ABOUT IT Living things are made up of chemical compounds, but chemistry isn t just what life is made of chemistry is also what life does. Everything that happens

More information

Nature of matter. Chemical bond is a force that joins atoms

Nature of matter. Chemical bond is a force that joins atoms Nature of matter Atom the smallest unit of matter that cannot be broken down by chemical means The subatomic particles of an atom consist of protons, neutrons and electrons Element is a pure substance

More information

2) Matter composed of a single type of atom is known as a(n) 2) A) element. B) mineral. C) electron. D) compound. E) molecule.

2) Matter composed of a single type of atom is known as a(n) 2) A) element. B) mineral. C) electron. D) compound. E) molecule. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is a particle found in the nucleus of an atom and that has no electrical

More information

Chapter 2 The Chemistry of Biology. Dr. Ramos BIO 370

Chapter 2 The Chemistry of Biology. Dr. Ramos BIO 370 Chapter 2 The Chemistry of Biology Dr. Ramos BIO 370 2 Atoms, Bonds, and Molecules Matter - all materials that occupy space and have mass Matter is composed of atoms. Atom simplest form of matter not divisible

More information

Unit 1: Chemistry of Life Guided Reading Questions (80 pts total)

Unit 1: Chemistry of Life Guided Reading Questions (80 pts total) Name: AP Biology Biology, Campbell and Reece, 7th Edition Adapted from chapter reading guides originally created by Lynn Miriello Chapter 1 Exploring Life Unit 1: Chemistry of Life Guided Reading Questions

More information

2.1 The Nature of Matter

2.1 The Nature of Matter 2.1 The Nature of Matter Lesson Objectives Identify the three subatomic particles found in atoms. Explain how all of the isotopes of an element are similar and how they are different. Explain how compounds

More information

Figure ) Letter E represents a nucleic acid building block known as a. Answer: nucleotide Diff: 3 Page Ref: 54

Figure ) Letter E represents a nucleic acid building block known as a. Answer: nucleotide Diff: 3 Page Ref: 54 Essentials of Human Anatomy and Physiology, 10e (Marieb) Chapter 2 Basic Chemistry 2.1 Short Answer Figure 2.1 Using Figure 2.1, identify the following: 1) Which letter represents a carbohydrate polymer?

More information

Chemistry of Life 10/1/2010. What makes up the chemistry of life?

Chemistry of Life 10/1/2010. What makes up the chemistry of life? A. Students will be able to identify and define the parts of an atom. Chemistry of Life At the Completion of this Unit, Students will be able to: A. Identify and define the parts of an atom. B. Demonstrate

More information

Chapter 6 The Chemistry of Life

Chapter 6 The Chemistry of Life Chapter 6 The Chemistry of Life Atoms: The Building Blocks of Life Both living and non-living things have atoms Everything, living and non, is made of Atoms. An elements is something you can break down

More information

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A neutral atom must contain. A) an equal number of protons, neutrons, and electrons B) an equal

More information

UNIT 2 CHEMISTRY. Atomic Structure: Ionic Bond: Covalent Bond: Hydrogen Bond:

UNIT 2 CHEMISTRY. Atomic Structure: Ionic Bond: Covalent Bond: Hydrogen Bond: UNIT 2 CHEMISTRY Atomic Structure: Ionic Bond: Hydrogen Bond: Covalent Bond: 1 Carbohydrates: >energy yield- >elements- >monomers- >functions- >examples- >misc- Lipids: Proteins: Nucleic Acids: I. Energy

More information

Mr. Carpenter s Biology Biochemistry. Name Pd

Mr. Carpenter s Biology Biochemistry. Name Pd Mr. Carpenter s Biology Biochemistry Name Pd Chapter 2 Vocabulary Atom Element Compound Molecule Ion Cohesion Adhesion Solution Acid Base Carbohydrate Monosaccharide Lipid Protein Amino acid Nucleic acid

More information

Chapter 02 - Life, Matter, and Energy. Multiple Choice Questions

Chapter 02 - Life, Matter, and Energy. Multiple Choice Questions Essentials of Anatomy and Physiology 1st Edition Saladin TEST BANK Full clear download (no formatting errors) at: https://testbankreal.com/download/essentials-anatomy-physiology-1stedition-saladin-test-bank/

More information

Chemistry of Life. Chapters 2 & 3. Credit: Larry Stepanowicz. Learning Objectives

Chemistry of Life. Chapters 2 & 3. Credit: Larry Stepanowicz. Learning Objectives Chemistry of Life Chapters 2 & 3 Credit: Larry Stepanowicz Learning Objectives 1. Differentiate between the definitions of an atom, element, ion, and molecule. 2. Describe why and how atoms react chemically.

More information

1. Re-teach Notes Compare Structures of Biomolecules. Compare Dehydration Synthesis and Hydrolysis.

1. Re-teach Notes Compare Structures of Biomolecules. Compare Dehydration Synthesis and Hydrolysis. 1. Re-teach Notes Compare Structures of Biomolecules. Compare Dehydration Synthesis and Hydrolysis. Carbohydrates 1. Made of sugar units called 2. Classified based on the number of sugar units in total

More information

Chapter 02 Chemistry of Life

Chapter 02 Chemistry of Life Chapter 02 Chemistry of Life Multiple Choice Questions 1. The smallest unit of matter is the A. molecule. B. atom. C. compound. D. isotope. HAPS Objective: C.01.03 Compare and contrast the terms atoms,

More information

is a substance that reduces the activity of an enzyme by entering the active site in place of the substrate whose structure it mimics.

is a substance that reduces the activity of an enzyme by entering the active site in place of the substrate whose structure it mimics. is a substance that reduces the activity of an enzyme by entering the active site in place of the substrate whose structure it mimics. Competitive Inhibitor Identify the following molecule: Polysaccharide

More information

Foundations in Microbiology Seventh Edition

Foundations in Microbiology Seventh Edition Lecture PowerPoint to accompany Foundations in Microbiology Seventh Edition Talaro Chapter 2 The Chemistry of Biology Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

More information

2 4 Chemical Reactions and Enzymes Slide 1 of 34

2 4 Chemical Reactions and Enzymes Slide 1 of 34 2 4 Chemical Reactions and Enzymes 1 of 34 Chemical Reactions Chemical Reactions A chemical reaction is a process that changes one set of chemicals into another set of chemicals. Some chemical reactions

More information

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Exam Name SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Figure 2.1 Using Figure 2.1, match the following: 1) Lipid. 2) Functional protein. 3) Nucleotide.

More information

Chapter 2. The Chemistry of Life

Chapter 2. The Chemistry of Life Chapter 2 The Chemistry of Life Introduction Cells, tissues and organs composed of chemicals Chemical reactions important for function Chemistry is the study of elements, compounds, chemical reactions,

More information

Chemical Basis of Life

Chemical Basis of Life Chemical Basis of Life Jan 30 11:42 AM In order to understand digestion and nutrition, we need some basic biochemistry Chemistry studies the composition of matter and its changes as well as the change

More information

BIOL 1030 Introduction to Biology: Organismal Biology. Spring 2011 Section A. Steve Thompson:

BIOL 1030 Introduction to Biology: Organismal Biology. Spring 2011 Section A. Steve Thompson: BIOL 1030 Introduction to Biology: Organismal Biology. Spring 2011 Section A Steve Thompson: stthompson@valdosta.edu http://www.bioinfo4u.net 1 First, let s look at the syllabus in detail to help clarify

More information

Essentials of Human Anatomy and Physiology, 12e (Marieb) Chapter 2 Basic Chemistry. 2.1 Multiple Choice Part I Questions

Essentials of Human Anatomy and Physiology, 12e (Marieb) Chapter 2 Basic Chemistry. 2.1 Multiple Choice Part I Questions Essentials of Human Anatomy and Physiology 12th Edition Marieb TEST BANK Full download at: https://testbankrealcom/download/essentialshuman-anatomy-physiology-12th-edition-mariebtest-bank/ Essentials of

More information

5/18/2012. The Chemical Elements. The Chemistry of Life Chapter 2. Atoms, Ions and Molecules. Water and Mixtures. Energy and Chemical Reactions

5/18/2012. The Chemical Elements. The Chemistry of Life Chapter 2. Atoms, Ions and Molecules. Water and Mixtures. Energy and Chemical Reactions The hemistry of Life hapter 2 Atoms, Ions and Molecules Water and Mixtures Energy and hemical Reactions rganic ompounds The hemical Elements Element simplest form of matter to have unique chemical property

More information

Chapter 02 Chemistry of Life

Chapter 02 Chemistry of Life Maders Understanding Human Anatomy and Physiology 9th Edition Longenbaker Test Bank Full Download: http://testbanklive.com/download/maders-understanding-human-anatomy-and-physiology-9th-edition-longenbaker

More information

EH1008 : Biology for Public Health : Biomolecules and Metabolism

EH1008 : Biology for Public Health : Biomolecules and Metabolism EH1008 : Biology for Public Health : Biomolecules and Metabolism Biochemistry: The chemistry of living things What has this got to do with Epidemiology & Public Health? Aims of 'Epidemiology & Public Health:

More information

The Chemistry of Life.

The Chemistry of Life. The Chemistry of Life http://www.chem.ufl.edu/~itl/2045_s00/matter/fg01_011.gif Atom: the smallest unit of matter Subatomic particles 1. neutron a. In nucleus b. No charge c. Weight 1dalton 2. proton a.

More information

2.1 Basic Chemistry 1

2.1 Basic Chemistry 1 2.1 Basic Chemistry 1 A. Introduction 1. Matter anything that takes up space and has mass 2. States of matter a. Solid b. Liquid c. Gas 2 B. Elements and Atoms 1. Elements basic substances that make up

More information

Chapter 2. Introduction: Chapter Chemical Basis of Life. Structure of Matter:

Chapter 2. Introduction: Chapter Chemical Basis of Life. Structure of Matter: Chapter 2.1-2.2 Read text 2.1 and describe why chemistry is important in understanding life. Read text 2.2 and discuss how atomic structure determines how atoms interact. Also describe the types of chemical

More information

-AP Biology Biochemistry/Chemistry Review

-AP Biology Biochemistry/Chemistry Review -AP Biology Biochemistry/Chemistry Review Name Chapter 2 - The Nature of Molecules Sections 2.1-2.3 Chapter 3 The Chemical building blocks of life 1. What occurrence 12.5 billion years ago is proposed

More information

Hole s Human Anatomy and Physiology Eleventh Edition. Chapter 2

Hole s Human Anatomy and Physiology Eleventh Edition. Chapter 2 Hole s Human Anatomy and Physiology Eleventh Edition Shier Butler Lewis Chapter 2 1 Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. CHAPTER 2 CHEMICAL BASIS OF

More information

Basic Chemistry. Chemistry Review. Bio 250: Anatomy & Physiology

Basic Chemistry. Chemistry Review. Bio 250: Anatomy & Physiology Basic Chemistry Bio 250: Anatomy & Physiology Chemistry Review It is going to be your responsibility to review the basic principles of chemistry you learned in BIO 101 This basic set of notes will help

More information

REVIEW 1: BIOCHEMISTRY UNIT. A. Top 10 If you learned anything from this unit, you should have learned:

REVIEW 1: BIOCHEMISTRY UNIT. A. Top 10 If you learned anything from this unit, you should have learned: Period Date REVIEW 1: BIOCHEMISTRY UNIT A. Top 10 If you learned anything from this unit, you should have learned: 1. All living matter made up of CHONPS 2. Bonds a. covalent bonds are strong b. hydrogen

More information

2 4 Chemical Reactions and Enzymes Chemical Reactions

2 4 Chemical Reactions and Enzymes Chemical Reactions Chemical Reactions A chemical reaction occurs when chemical bonds are broken and reformed. Rust forms very slowly, while rocket fuel combustion is explosive! The significance of this comparison is that

More information

Ms. Levasseur Biology

Ms. Levasseur Biology Ms. Levasseur Biology Atom: the actual basic unit - composed of protons, neutrons, and electrons Element: a substance that cannot be broken down into simpler substances pure Molecule: a substance made

More information

Unit Two Chemistry of the Human Body

Unit Two Chemistry of the Human Body I. Introduction to atoms Unit Two Chemistry of the Human Body A. Chemistry is the branch of science that concerns itself with the structure of matter, including the interaction between atoms. 1. Atoms-

More information

Name: Class: Date: ID: A

Name: Class: Date: ID: A Name: Class: _ Date: _ ID: A Ch 2 Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Isotopes are atoms of the same element with the same number of

More information