Chapter 9B Homework Questions

1. There are two activation steps in glycolysis. What are they?

2. What reaction in glycolysis results in the generation of an NADH?

3. What are the final products of glycolysis? How do you account for all of the carbon atoms in glucose?

4. Glycerol is important in lipid biosynthesis. What intermediate in glycolysis might be the starting point for the synthesis of glycerol?

5. What reactions in the Krebs cycle produce NADH?

6. Is any ATP produced in the Krebs cycle? If so where?

7. What is the difference in gross yield and net yield of ATP in the Krebs cycle and glycolysis? of NADH and FADH?

8. What reactions produce carbon dioxide? How many carbon dioxide molecules are produced per pyruvate? per glucose? per acetyl CoA?

9. Can cells respire without oxygen?