Biology EOC Review. Scientific Method. 1. List the steps of the scientific method: Define the following: Hypothesis: Theory: Law:

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1 Scientific Method 1. List the steps of the scientific method: Define the following: Hypothesis: Theory: Law: Biology EOC Review 3. Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The trees are watered equally and exposed to the same amount of sunlight. The height of each tree is measured once a week. Identify the following: a. Independent Variable (what is changed) b. Dependent Variable (what is measured) c. Control Group d. Constants 4. Using at least five characteristics of life, explain why an oak tree is living but a rock is not. 5. What effect does an increasing predator population have on the prey population? Why? 1

2 Biochemistry 6. Label the bonds. 7. What property of water allows it to form hydrogen bonds? 8. What substance is the universal solvent? 9. Complete the table. Property of Water Explanation of Property Phenomenon / Examples Cohesion Adhesion Surface Tension Capillary Action High Specific Heat High Heat of Vaporization Lower density when solid 2

3 10. What element is the building block of life? 11. List the four macromolecules: Identify each macromolecule: 13. Match the function on the left to the macromolecules on the right. Stores genetic info A. Protein Hormone, muscle, enzyme B. Lipid Primary energy source C. Nucleic acid Long term energy storage D. Carbohydrate 14. Match the examples on the left to the macromolecules on the right. Starch, cellulose A. Protein Adenosine triphosphate, DNA B. Lipid Wax, oil, steroid C. Nucleic acid Insulin, catalase D. Carbohydrate 15. Label the diagram. 16. Enzymes lower the of a chemical reaction, which the reaction rate. 17. Enzyme names typically end with what three letters? 3

4 18. Explain what is happening in each graph. 19. Label the molecule. What molecule is this? 20. What cell process makes ATP? 21. What organelle performs this process? 22. What does ATP store? 4

5 Cells 23. Match each microscope with its description. Compound Light Microscope Used to examine a thin slice of a dead specimen, high magnification Scanning Electron Microscope Used to examine living or dead specimens, has multiple objective lenses Transmission Electron Microscope Used to examine the surface of a dead specimen, high magnification 24. What are the three parts of the cell theory? Complete the Venn diagram comparing prokaryotic and eukaryotic cells. Use the phrases in the word bank. Has a nucleus Does not have a nucleus Single celled Multicellular or single celled Cytoplasm Cell membrane Ribosomes No membrane bound organelles Bacteria Contains DNA Has membrane bound organelles DNA is suspended in the cytoplasm Plants and Animals DNA is in the nucleus Eukaryotic Prokaryotic 5

6 26. Label the cells. 6

7 27. List two organelles unique to plant cells and two organelles unique to animal cells. a. Animal: b. Plant: 28. Complete the table. Organelle Description Organelle Plant/Animal/Both Rigid, outer layer that supports, protects, and gives the plant cell shape, made of cellulose Control center of the cell; DNA is made here The sites of protein synthesis, located in cytoplasm and embedded on rough endoplasmic reticulum Supplies energy to the cell through cellular respiration The jellylike region inside the cell except for the nucleus, where dissolved building blocks are transported Contains chlorophyll, site of photosynthesis Digests excess or worn-out cell parts, food particles, and invading viruses or bacteria Provides temporary storage of food, enzymes, and waste products Makes lipids Packages proteins for transport out of the cell Large, fluid filled sac used for storage of materials needed by the cell such as water, food, enzymes, and inorganic molecules Makes ribosomes The membrane surrounding the cell, phospholipid bilayer Short cylinders that may aid in cell division Network of proteins that helps the cell maintain its shape Double membrane that protects the nucleus Small, hair-like projections used for movement or sensing things Long, whip-like structures used for movement 7

8 The Cell Membrane and Cell Transport 29. Label the diagram with the following terms: Phospholipid, hydrophobic region, hydrophilic region, integral protein, peripheral protein, cholesterol 30. What is the primary function of the cell membrane? 31. Why can t a polar molecule, like water, directly cross the cell membrane? 32. Complete the table. Transport Method Active (ATP) or Passive Does any structure help? (vesicle, membrane protein) Example of substance(s) that uses this method of transport in cells DIFFUSION FACILITATED DIFFUSION OSMOSIS SODIUM-POTASSIUM (NA+ -K + ) PUMp ENDOCYTOSIS (PHAGOCYTOSIS) ENDOCYTOSIS (PINOCYTOSIS) EXOCYTOSIS 8

9 33. Identify the tonicity of each environment. Indicate which environment animals and plants prefer (they are different!) 34. Identify the type of transport illustrated below each diagram. 9

10 The Brain 35. Label the brains. 36. Complete the table. Structure Cerebrum Cerebellum Brain Stem Corpus Callosum Medulla Oblongata Hippocampus Amygdala Hypothalamus Pituitary Gland Thalamus Midbrain Pons Cerebral Cortex Frontal Lobe Parietal Lobe Occipital Lobe Temporal Lobe Function 10

11 Plant Anatomy 37. Label the flower. 38. Xylem carries and a plant while phloem carries. 39. List two adaptations plants use to limit water loss. Photosynthesis and Cellular Respiration 40. Write the equation for each process. PS: CR: 41. Match the reaction/cycle with its description. Light Dependent Rxn Calvin Cycle Glycolysis a. Splits glucose into two molecules of pyruvate b. Occurs in animals in the absence of oxygen, regenerates NAD + for glycolysis c. Converts light energy to chemical energy in the form of ATP & NADPH Krebs Cycle d. Occurs in plants and fungi in the absence of oxygen, produces ethanol and CO 2 Electron Transport Chain e. Breaks down pyruvate to create CO 2, ATP, NADH, and FADH 2 Alcohol Fermentation Lactic Acid Fermentation f. Creates glucose from CO 2, ATP, and NADPH g. Uses energy from electrons to create a H + gradient, which then creates ATP 11

12 Cell Division 42. Label the phases of mitosis, centrioles, centromeres, spindle fibers, and sister chromatids. 43. Complete the table. Question Mitosis Meiosis Number of cells at beginning of division? Is parent cell haploid or diploid? Number of cells at end of division? Are daughter cells haploid or diploid? Are daughter cells identical to parent cell? Are daughter cells identical to each other? In humans, # of chromosomes at beginning of division? In humans, # of chromosomes at end of division? How many divisions occur? In what type of cell does this division occur? What is the purpose of this type of division? 44. List and describe (or draw) the two ways that meiosis creates genetic variation. 12

13 DNA 45. Label the DNA molecule and fill in the missing bases Draw or explain why DNA replication is said to be semi-conservative. 47. Replicate this strand of DNA: T A C G G A C G T A T G C C T T T A A T T 48. When does DNA replication occur? 49. Where does DNA replication occur? 50. Label the DNA replication diagram. 13

14 The Central Dogma 51. Label. 52. Transcribe, then translate the following DNA sequences. Circle the start codon in green and the stop codon in red. DNA: T A C G G A C G T A T G C C T T T A A T T mrna: 53. Protein: 14

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