Metabolism review sheet

Chapter 8 Review: Introduction to Metabolism

1. Explain the 2 laws of thermodynamics in a biological system.

2. Compare anabolic vs. catabolic reactions.

3. Compare exergonic vs. endergonic reactions. Which type of reaction is spontaneous?

4. How does an enzyme affect a reaction?

5. What types of environmental factors affect enzyme activity?

6. Give an example of feedback inhibition, how does it work?

7. Contrast a competitive inhibitor to a noncompetitive inhibitor.

8. What is a cofactor?

9. How do an activator and an inhibitor have different effects on an allosterically regulated enzyme?

10. What is feedback inhibition? How does it allow a cell to manage its resources?