AP Biology
Mr. McDowell
METABOLISM & ENZYME STUDY GUIDE
Name:
Block:
1. Define the following terms:
a. Catabolic reaction ________________________________________________________
b. Anabolic reaction _________________________________________________________
c. Kinetic energy ____________________________________________________________
d. Potential energy __________________________________________________________
2. Explain the First Law of Thermodynamics.
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3. Explain the Second Law of Thermodynamics.
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4. What is meant by a change in free energy?
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5. Compare reactions that are…
a. Exergonic
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b. Endergonic
6. Sketch the ATP cycle:
7. Where is energy stored in an ATP molecule?
8. Explain the differences in potential energy between ADP and ATP.
9. How does ATP “couple reactions”?
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10. Sketch the profile of an exergonic reaction.
11. Sketch the profile of an endergonic reaction.
12. How do enzymes affect the energy profile? ________________________________________
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13. Define activation energy. ______________________________________________________
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14. Why are enzymes said to be specific?
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15. Describe the factors that influence the rate of enzyme reactions.
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16. Label the diagram of the catalytic enzyme cycle.
17. How do competitive and noncompetitive inhibitors differ in their enzyme interactions?
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18. Explain what “induced fit” means and how it works.
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19. What happens during allosteric regulation?
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20. Explain how feedback inhibition works.
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