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. Always equal to the number of neutrons in an atom B. Found in the nucleus C. Used to determine atomic number D. Positively charged E. Moving in pathways called orbitals 3. The electrons of an atom are A. Always equal to the number of protons B. Used to determine the atomic weight C. Carrying a positive charge D. Used to determine the atomic number E. Always in full orbitals 4. All of the following pertain to the atom carbon-14 except A. Has 6 protons B. Has 6 electrons C. Has 14 neutrons D. Is an isotope of carbon E. All of the choices pertain to carbon-14

5. The subatomic particles that surround the nucleus are the A. Electrons B. Protons C. Neutrons D. Protons and neutrons E. Protons and electrons 6. Isotopes are atoms of the same element that differ in their A. Neutron number B. Electron number C. Proton number D. Atomic number E. Chemical properties 7. What is the maximum number of electrons in the second energy shell of an atom? A. 2 B. 4 C. 8 D. 18 E. 32 8. What is the maximum number of electrons in the first energy shell of an atom? A. 2 B. 4 C. 8 D. 18 E. 32 9. Protons and neutrons make up the atom's central core referred to as its A. Valence number B. Isotope C. Nucleus D. Center of gravity E. None of the choices are correct

10. The valence number is the A. Number of protons B. Number of neutrons C. Atomic weight D. Number of inner most electrons E. Number of outer most electrons 11. Two or more atoms bonded together are called a/an A. Ion B. Isotope C. Element D. Electrolyte E. Molecule 12. What would be the valence number of electrons in the sulfur (S) atom? A. 2 B. 6 C. 8 D. 16 E. 32 13. Polar molecules are composed of covalently bonded A. Identical atoms B. Carbon atoms C. Ions D. Atoms of different electro negativity E. Atoms of identical electro negativity 14. Polar molecules A. Have an equal charge distribution B. Have an unequal charge distribution C. Are insoluble in water D. Always contain carbon E. Always involve oxygen

15. Covalent bonds A. Result from losing electrons B. Are always polar C. Are always non-polar D. Result from sharing electrons E. Result from gaining electrons 16. Cations are a(n) A. Charged subatomic particles B. Atoms that have gained electrons C. Atoms that have gained neutrons D. Capable of forming ionic bonds with anions E. Atoms without protons 17. A reaction where an electron is lost is called A. Oxidation B. Reduction C. Ionization D. Decomposition E. Dissolution 18. An atom has gained an electron. It has been A. Oxidized B. Reduced C. Ionized D. Deionized E. Neutralized 19. Ionic bonds A. Result from sharing electrons B. Result from transferring electrons C. Results from like charge attraction D. Are the weakest chemical bonds E. Always involve carbon

20. Hydrogen bonds A. Result from attractive forces between molecules with polar covalent bonds B. Result from attractive forces between molecules with polar ionic bonds C. Result from attractive forces between molecules with non-polar covalent bonds D. Result from attractive forces between molecules with non-polar ionic bonds E. Are the strongest bonds between molecules 21. Atoms that gain or lose electrons become charged particles called A. Cations B. Anions C. Ions D. Isotopes E. All of the choices are correct 22. Substances that release ions when dissolved in water and conduct electricity are A. Covalent B. Nonpolar C. Electrons D. Electrolytes E. Solvents 23. Which of the following represents a synthesis reaction? A. AB A + B B. A + B AB C. AB + XY AX + BY D. AB + XY «AX + BY E. None of the choices are correct 24. Which of the following represents a reversible reaction? A. AB A + B B. A + B AB C. AB + XY AX + BY D. AB + XY «AX + BY E. None of the choices are correct

25. The important solvent associated with living things is A. Carbon dioxide B. Sodium chloride C. Ethyl alcohol D. Benzene E. Water 26. Ionic compounds are A. Hydrophobic B. Hydrophilic C. Are acidic in solution D. Are basic in solution E. Always form salts in solution 27. A solution is composed of one or more substances called that are uniformly dispersed in a dissolving medium called a. A. Solvent, solute B. Solute, solvent C. Neither solvent, solute nor solute, solvent D. Both solvent, solute and solute, solvent 28. Which term does not belong in this list? A. Lactic acid B. Vinegar C. Hydrogen ion donor D. PH 8 E. Acidic 29. A solution of ph 7 compared to a solution of ph 9 A. Is more basic B. Has no OH - ions C. Has more H + ions D. Has a higher ph E. All of the choices are correct

30. A solution of ph 7 compared to a solution of ph 9 A. 2 times more acidic B. 20 times more acidic C. 20 times more basic D. 100 times more acidic E. 100 times more basic 31. Which of the following functional groups is mismatched to the organic compound? A. Phosphate-carbohydrates B. Sulfhydryl-proteins C. Amino-proteins D. Hydroxyl-alcohols E. Carboxyl-fatty acids 32. Organic chemicals always have a basic framework of the element bonded to other atoms. A. Carbon B. Nitrogen C. Oxygen D. Hydrogen E. Phosphorous 33. Most biochemical macromolecules are polymers, which are A. Chains of hydrophobic molecules B. Chains of electrolytic molecules C. Chains of repeating monomers D. Chains of repeating carbohydrates E. Chains of hydrogen bonds 34. All of the following are monosaccharides except A. Glucose B. Glycogen C. Fructose D. Ribose E. Deoxyribose

35. Which of the following would have glycosidic bonds? A. Triglycerides B. Monosaccharides C. Polypeptides D. Polysaccharides E. ATP 36. All of the following are polysaccharides except A. Dextran in some bacterial slime layers B. Agar used to make solid culture media C. A cell's glycocalyx D. Cellulose in certain cell walls E. Prostaglandins in inflammation 37. C6H12O6 + C6H12O6 C12 H22O11 + H2O represents A. Formation of a peptide bond B. A decomposition reaction C. Denaturation D. Formation of a polysaccharide E. Dehydration synthesis 38. Starch is the primary storage food for all of the following except A. Green plants B. Algae C. Animals D. Some fungi E. All of these store food as starch 39. All of the following are lipids except A. Cholesterol B. Starch C. Phospholipid D. Wax E. Triglyceride

40. What part of a phospholipid forms hydrophobic tails? A. Fatty acids B. Glycerol C. Phosphate D. Alcohol E. All of the choices are correct 41. A fat is called if all carbons of the fatty acid chain are single bonded to 2 other carbons and 2 hydrogens. A. Unsaturated B. Polyunsaturated C. Monounsaturated D. Saturated E. None of the choices are correct 42. The lipid group that serves as energy storage molecules are A. Prostaglandins B. Waxes C. Phospholipids D. Steroids E. Triglycerides 43. The lipid group that is the major component of cell membranes are the A. Prostaglandins B. Waxes C. Phospholipids D. Steroids E. Triglycerides 44. The building blocks of an enzyme are A. Nucleotides B. Glycerol and fatty acids C. Monosaccharides D. Phosphate, glycerol, fatty acids E. Amino acids

45. An amino acid contains all of the following except A. An amino group B. A carboxyl group C. A variable R group D. An a carbon E. A nitrogen base 46. Which is not true about enzymes? A. Found in all cells B. Are catalysts C. Participate in the cell's chemical reactions D. Can be denaturated by heat and other agents E. Have high-energy bonds between phosphates 47. Which amino acid contains sulfur atoms that form covalent disulfide bonds in its tertiary structure? A. Valine B. Cysteine C. Serine D. Alanine E. Tyrosine 48. What type of bonds are formed by dehydration synthesis between adjacent amino acids? A. Glycosilic B. Ester C. Peptide D. Disulfide E. Phosphate 49. The a helix is a type of protein structure. A. Primary B. Secondary C. Tertiary D. Quaternary E. None of these

50. One nucleotide contains A. One phosphate B. One pentose sugar C. One nitrogen base D. All of the choices are correct E. None of the choices are correct 51. Which pertains to DNA but not to RNA? A. Contains ribose B. Contains adenine C. Contains thymine D. Contains uracil E. Contains nucleotides 52. ATP is best described as A. An enzyme B. A double helix C. An electron carrier D. The energy molecule of cells E. All of the choices are correct 53. A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution. If chemical analysis was performed to identify the contents of each beaker, which of the following would be found in the beaker of DNA but not in the beaker with glucose? A. Amino acids B. Hydrogen and oxygen atoms C. Nitrogen and phosphorus D. Fatty acids E. Carbon atoms 54. Purines and pyrimidines are components in the building block units of all A. Nucleic acids B. Carbohydrates C. Polysaccharides D. Amino acids E. Enzymes

55. Which of the following is not a pyrimidine? A. Uracil B. Adenine C. Thymine D. Cytosine E. All of these are pyrimidines 56. During protein synthesis, RNA is made to be a copy of a gene from the DNA. A. Transfer B. Messenger C. Ribosomal D. All of the choices are correct 57. Characteristics of shared by all cells include: A. a membrane serving as a cell boundary B. the possession of genetic information C. the presence of cellular fluid D. All of these 58. An example of an amphipathic molecule found in living cells is: A. glucose B. phospholipid C. protein D. nucleic acids 59. The purine always binds with the pyrimidine in DNA and RNA. A. guanine, cytosine B. cytosine, guanine C. adenine, guanine D. thymine, guanine

60. You are asked to make a 1M solution of Sodium Bicarbonate or Baking Soda (NaHCO3 ) for a DNA extraction lab. How many gram(s) of sodium bicarbonate (NaHCO3 ) should be added to 1L of water to make the required solution? Use the table of atomic masses to help you. A. 29 g B. 62 g C. 84 g D. 91.1 g E. Element Atomic mass H 1.00 C 12.00 O 16.00 Na 23.00 K 39.1 True / False Questions 61. Elements have predictable chemical properties. True False 62. Electrons that participate in chemical bonding are typically located closest to the nucleus. True False 63. Water molecules are non-polar molecules. True False 64. Polar molecules have more reactivity compared to non-polar molecules. True False 65. A covalent bond is formed between an anion and a cation. True False 66. Only charged atoms can form ionic bonds. True False 67. The concentration of a solution expresses the amount of solvent present. True False 68. If solution A has a lower ph compared to solution B, then solution A is more acidic than solution B. True False

69. The only part of an amino acid that differs from other amino acids is its R group. True False 70. All proteins are enzymes. True False 71. The most important outcome of polypeptide intra-chain bonding and folding is the unique shape of the protein. True False 72. Nucleic acids have primary, secondary, tertiary and quaternary levels of organization. True False

Chapter 002 The Chemistry of Biology Key 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 Learning Objective: 2.01 Explain the relationship between atoms and elements. A. Always equal to the number of neutrons in an atom B. Found in the nucleus C. Used to determine atomic number D. Positively charged E. Moving in pathways called orbitals 3. The electrons of an atom are Learning Objective: 2.01 Explain the relationship between atoms and elements. A. Always equal to the number of protons B. Used to determine the atomic weight C. Carrying a positive charge D. Used to determine the atomic number E. Always in full orbitals 4. All of the following pertain to the atom carbon-14 except Learning Objective: 2.01 Explain the relationship between atoms and elements A. Has 6 protons B. Has 6 electrons C. Has 14 neutrons D. Is an isotope of carbon E. All of the choices pertain to carbon-14 Learning Objective: 2.01 Explain the relationship between atoms and elements

5. The subatomic particles that surround the nucleus are the A. Electrons B. Protons C. Neutrons D. Protons and neutrons E. Protons and electrons 6. Isotopes are atoms of the same element that differ in their Learning Objective: 2.01 Explain the relationship between atoms and elements A. Neutron number B. Electron number C. Proton number D. Atomic number E. Chemical properties Learning Objective: 2.01 Explain the relationship between atoms and elements 7. What is the maximum number of electrons in the second energy shell of an atom? A. 2 B. 4 C. 8 D. 18 E. 32 Learning Objective: 2.01 Explain the relationship between atoms and elements 8. What is the maximum number of electrons in the first energy shell of an atom? A. 2 B. 4 C. 8 D. 18 E. 32 Learning Objective: 2.01 Explain the relationship between atoms and elements 9. Protons and neutrons make up the atom's central core referred to as its A. Valence number B. Isotope C. Nucleus D. Center of gravity E. None of the choices are correct Learning Objective: 2.01 Explain the relationship between atoms and elements

10. The valence number is the A. Number of protons B. Number of neutrons C. Atomic weight D. Number of inner most electrons E. Number of outer most electrons 11. Two or more atoms bonded together are called a/an Learning Objective: 2.01 Explain the relationship between atoms and elements A. Ion B. Isotope C. Element D. Electrolyte E. Molecule 12. What would be the valence number of electrons in the sulfur (S) atom? Learning Objective: 2.02 List and define 4 types of chemical bonds. A. 2 B. 6 C. 8 D. 16 E. 32 13. Polar molecules are composed of covalently bonded Learning Objective: 2.02 List and define 4 types of chemical bonds. A. Identical atoms B. Carbon atoms C. Ions D. Atoms of different electro negativity E. Atoms of identical electro negativity Learning Objective: 2.02 List and define 4 types of chemical bonds.

14. Polar molecules A. Have an equal charge distribution B. Have an unequal charge distribution C. Are insoluble in water D. Always contain carbon E. Always involve oxygen 15. Covalent bonds A. Result from losing electrons B. Are always polar C. Are always non-polar D. Result from sharing electrons E. Result from gaining electrons Learning Objective: 2.02 List and define 4 types of chemical bonds. 16. Cations are a(n) A. Charged subatomic particles B. Atoms that have gained electrons C. Atoms that have gained neutrons D. Capable of forming ionic bonds with anions E. Atoms without protons Learning Objective: 2.02 List and define 4 types of chemical bonds. 17. A reaction where an electron is lost is called A. Oxidation B. Reduction C. Ionization D. Decomposition E. Dissolution 18. An atom has gained an electron. It has been A. Oxidized B. Reduced C. Ionized D. Deionized E. Neutralized Learning Objective: 2.02 List and define 4 types of chemical bonds.

19. Ionic bonds A. Result from sharing electrons B. Result from transferring electrons C. Results from like charge attraction D. Are the weakest chemical bonds E. Always involve carbon 20. Hydrogen bonds A. Result from attractive forces between molecules with polar covalent bonds B. Result from attractive forces between molecules with polar ionic bonds C. Result from attractive forces between molecules with non-polar covalent bonds D. Result from attractive forces between molecules with non-polar ionic bonds E. Are the strongest bonds between molecules 21. Atoms that gain or lose electrons become charged particles called Learning Objective: 2.02 List and define 4 types of chemical bonds. A. Cations B. Anions C. Ions D. Isotopes E. All of the choices are correct Learning Objective: 2.02 List and define 4 types of chemical bonds. 22. Substances that release ions when dissolved in water and conduct electricity are A. Covalent B. Nonpolar C. Electrons D. Electrolytes E. Solvents Learning Objective: 2.03 Differentiate between a solute and a solvent.

23. Which of the following represents a synthesis reaction? A. AB A + B B. A + B AB C. AB + XY AX + BY D. AB + XY «AX + BY E. None of the choices are correct 24. Which of the following represents a reversible reaction? A. AB A + B B. A + B AB C. AB + XY AX + BY D. AB + XY «AX + BY E. None of the choices are correct 25. The important solvent associated with living things is A. Carbon dioxide B. Sodium chloride C. Ethyl alcohol D. Benzene E. Water 26. Ionic compounds are Learning Objective: 2.03 Differentiate between a solute and a solvent. A. Hydrophobic B. Hydrophilic C. Are acidic in solution D. Are basic in solution E. Always form salts in solution 27. A solution is composed of one or more substances called that are uniformly dispersed in a dissolving medium called a. A. Solvent, solute B. Solute, solvent C. Neither solvent, solute nor solute, solvent D. Both solvent, solute and solute, solvent Learning Objective: 2.03 Differentiate between a solute and a solvent.

28. Which term does not belong in this list? A. Lactic acid B. Vinegar C. Hydrogen ion donor D. PH 8 E. Acidic Learning Objective: 2.04 Give a brief definition of ph. 29. A solution of ph 7 compared to a solution of ph 9 A. Is more basic B. Has no OH - ions C. Has more H + ions D. Has a higher ph E. All of the choices are correct Learning Objective: 2.04 Give a brief definition of ph. 30. A solution of ph 7 compared to a solution of ph 9 A. 2 times more acidic B. 20 times more acidic C. 20 times more basic D. 100 times more acidic E. 100 times more basic Learning Objective: 2.04 Give a brief definition of ph. 31. Which of the following functional groups is mismatched to the organic compound? A. Phosphate-carbohydrates B. Sulfhydryl-proteins C. Amino-proteins D. Hydroxyl-alcohols E. Carboxyl-fatty acids

32. Organic chemicals always have a basic framework of the element bonded to other atoms. A. Carbon B. Nitrogen C. Oxygen D. Hydrogen E. Phosphorous 33. Most biochemical macromolecules are polymers, which are A. Chains of hydrophobic molecules B. Chains of electrolytic molecules C. Chains of repeating monomers D. Chains of repeating carbohydrates E. Chains of hydrogen bonds 34. All of the following are monosaccharides except A. Glucose B. Glycogen C. Fructose D. Ribose E. Deoxyribose 35. Which of the following would have glycosidic bonds? Learning Objective: 2.05 Name the 4 main families of biochemicals. A. Triglycerides B. Monosaccharides C. Polypeptides D. Polysaccharides E. ATP Learning Objective: 2.05 Name the 4 main families of biochemicals.

36. All of the following are polysaccharides except A. Dextran in some bacterial slime layers B. Agar used to make solid culture media C. A cell's glycocalyx D. Cellulose in certain cell walls E. Prostaglandins in inflammation Learning Objective: 2.05 Name the 4 main families of biochemicals. Learning Objective: 2.06 Provide examples of cell components made from each of the families of biochemicals. 37. C6H12O6 + C6H12O6 C12 H22O11 + H2O represents A. Formation of a peptide bond B. A decomposition reaction C. Denaturation D. Formation of a polysaccharide E. Dehydration synthesis 38. Starch is the primary storage food for all of the following except A. Green plants B. Algae C. Animals D. Some fungi E. All of these store food as starch 39. All of the following are lipids except Learning Objective: 2.05 Name the 4 main families of biochemicals. A. Cholesterol B. Starch C. Phospholipid D. Wax E. Triglyceride Learning Objective: 2.05 Name the 4 main families of biochemicals.

40. What part of a phospholipid forms hydrophobic tails? A. Fatty acids B. Glycerol C. Phosphate D. Alcohol E. All of the choices are correct Learning Objective: 2.05 Name the 4 main families of biochemicals. 41. A fat is called if all carbons of the fatty acid chain are single bonded to 2 other carbons and 2 hydrogens. A. Unsaturated B. Polyunsaturated C. Monounsaturated D. Saturated E. None of the choices are correct 42. The lipid group that serves as energy storage molecules are Learning Objective: 2.05 Name the 4 main families of biochemicals. A. Prostaglandins B. Waxes C. Phospholipids D. Steroids E. Triglycerides 43. The lipid group that is the major component of cell membranes are the Learning Objective: 2.05 Name the 4 main families of biochemicals. A. Prostaglandins B. Waxes C. Phospholipids D. Steroids E. Triglycerides Learning Objective: 2.06 Provide examples of cell components made from eachof the families of biochemicals.

44. The building blocks of an enzyme are A. Nucleotides B. Glycerol and fatty acids C. Monosaccharides D. Phosphate, glycerol, fatty acids E. Amino acids Learning Objective: 2.05 Name the 4 main families of biochemicals. 45. An amino acid contains all of the following except A. An amino group B. A carboxyl group C. A variable R group D. An a carbon E. A nitrogen base Learning Objective: 2.05 Name the 4 main families of biochemicals. 46. Which is not true about enzymes? A. Found in all cells B. Are catalysts C. Participate in the cell's chemical reactions D. Can be denaturated by heat and other agents E. Have high-energy bonds between phosphates 47. Which amino acid contains sulfur atoms that form covalent disulfide bonds in its tertiary structure? A. Valine B. Cysteine C. Serine D. Alanine E. Tyrosine Learning Objective: 2.07 Explain primary Learning Objective: secondary Learning Objective: tertiary and quaternary structure as seen in proteins.

48. What type of bonds are formed by dehydration synthesis between adjacent amino acids? A. Glycosilic B. Ester C. Peptide D. Disulfide E. Phosphate 49. The a helix is a type of protein structure. Learning Objective: 2.05 Name the 4 main families of biochemicals. A. Primary B. Secondary C. Tertiary D. Quaternary E. None of these 50. One nucleotide contains Learning Objective: 2.07 Explain primary Learning Objective: secondary Learning Objective: tertiary and quaternary structure as seen in proteins. A. One phosphate B. One pentose sugar C. One nitrogen base D. All of the choices are correct E. None of the choices are correct 51. Which pertains to DNA but not to RNA? Learning Objective: 2.08 List the 3 components of nucleic acids. A. Contains ribose B. Contains adenine C. Contains thymine D. Contains uracil E. Contains nucleotides Learning Objective: 2.09 Name the nucleotides of DNA and of RNA.

52. ATP is best described as A. An enzyme B. A double helix C. An electron carrier D. The energy molecule of cells E. All of the choices are correct Learning Objective: 2.10 List the 3 components of ATP 53. A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution. If chemical analysis was performed to identify the contents of each beaker, which of the following would be found in the beaker of DNA but not in the beaker with glucose? A. Amino acids B. Hydrogen and oxygen atoms C. Nitrogen and phosphorus D. Fatty acids E. Carbon atoms Learning Objective: 2.09 Name the nucleotides of DNA and of RNA. 54. Purines and pyrimidines are components in the building block units of all A. Nucleic acids B. Carbohydrates C. Polysaccharides D. Amino acids E. Enzymes 55. Which of the following is not a pyrimidine? A. Uracil B. Adenine C. Thymine D. Cytosine E. All of these are pyrimidines Learning Objective: 2.09 Name the nucleotides of DNA and of RNA.

56. During protein synthesis, RNA is made to be a copy of a gene from the DNA. A. Transfer B. Messenger C. Ribosomal D. All of the choices are correct 57. Characteristics of shared by all cells include: Learning Objective: 2.09 Name the nucleotides of DNA and of RNA. A. a membrane serving as a cell boundary B. the possession of genetic information C. the presence of cellular fluid D. All of these 58. An example of an amphipathic molecule found in living cells is: A. glucose B. phospholipid C. protein D. nucleic acids 59. The purine always binds with the pyrimidine in DNA and RNA. Learning Objective: 2.11 Point out 3 characteristics all cells share. A. guanine, cytosine B. cytosine, guanine C. adenine, guanine D. thymine, guanine Learning Objective: 2.05 Name the 4 main families of bio-chemicals. Learning Objective: 2.06 Provide examples of cell components made from each of the families of bio-chemicals.

60. You are asked to make a 1M solution of Sodium Bicarbonate or Baking Soda (NaHCO3 ) for a DNA extraction lab. How many gram(s) of sodium bicarbonate (NaHCO3 ) should be added to 1L of water to make the required solution? Use the table of atomic masses to help you. A. 29 g B. 62 g C. 84 g D. 91.1 g E. Element Atomic mass H 1.00 C 12.00 O 16.00 Na 23.00 K 39.1 Learning Objective: 2.03 Differentiate between a solute and a solvent. Learning Objective: 2.09 Name the nucleotides of DNA and RNA. True / False Questions 61. Elements have predictable chemical properties. TRUE Learning Objective: 2.01 Explain the relationship between atoms and elements. 62. Electrons that participate in chemical bonding are typically located closest to the nucleus. FALSE 63. Water molecules are non-polar molecules. FALSE 64. Polar molecules have more reactivity compared to non-polar molecules. TRUE 65. A covalent bond is formed between an anion and a cation. FALSE Learning Objective: 2.02 List and define 4 types of chemical bonds. Learning Objective: 2.02 List and define 4 types of chemical bonds.

66. Only charged atoms can form ionic bonds. TRUE 67. The concentration of a solution expresses the amount of solvent present. FALSE Learning Objective: 2.02 List and define 4 types of chemical bonds. Learning Objective: 2.03 Differentiate between a solute and a solvent. 68. If solution A has a lower ph compared to solution B, then solution A is more acidic than solution B. TRUE Learning Objective: 2.03 Give a brief definition of ph. 69. The only part of an amino acid that differs from other amino acids is its R group. TRUE 70. All proteins are enzymes. FALSE Learning Objective: 2.07 Explain primary Learning Objective: secondary Learning Objective: tertiary and quaternary structure as seen in proteins. 71. The most important outcome of polypeptide intra-chain bonding and folding is the unique shape of the protein. TRUE Learning Objective: 2.07 Explain primary Learning Objective: secondary Learning Objective: tertiary and quaternary structure as seen in proteins. 72. Nucleic acids have primary, secondary, tertiary and quaternary levels of organization. FALSE Learning Objective: 2.07 Explain primary Learning Objective: 2.09 Name the nucleotides of DNA and of RNA. Learning Objective: secondary Learning Objective: tertiary and quaternary structure as seen in proteins

Chapter 002 The Chemistry of Biology Summary Category # of Questions Learning Objective: 2.01 Explain the relationship between atoms and elements 8 Learning Objective: 2.01 Explain the relationship between atoms and elements. 3 Learning Objective: 2.02 List and define 4 types of chemical bonds. 11 Learning Objective: 2.03 Differentiate between a solute and a solvent. 5 Learning Objective: 2.03 Give a brief definition of ph. 1 Learning Objective: 2.04 Give a brief definition of ph. 3 Learning Objective: 2.05 Name the 4 main families of bio-chemicals. 1 Learning Objective: 2.05 Name the 4 main families of biochemicals. 11 Learning Objective: 2.06 Provide examples of cell components made from each of the families of biochemicals. Learning Objective: 2.06 Provide examples of cell components made from each of the families of biochemicals. 1 Learning Objective: 2.06 Provide examples of cell components made from eachof the families of biochemicals. 1 Learning Objective: 2.07 Explain primary 5 Learning Objective: 2.08 List the 3 components of nucleic acids. 1 Learning Objective: 2.09 Name the nucleotides of DNA and of RNA. 5 Learning Objective: 2.09 Name the nucleotides of DNA and RNA. 1 Learning Objective: 2.10 List the 3 components of ATP 1 Learning Objective: 2.11 Point out 3 characteristics all cells share. 1 17 Learning Objective: secondary 5 Learning Objective: tertiary and quaternary structure as seen in proteins 1 Learning Objective: tertiary and quaternary structure as seen in proteins. 4 1