CH9 review questions.

Chapter 9 Review – Cellular Respiration

1. Give 3 reasons and explain why glycolysis is believed to be an ancient metabolic process.

2. Write the equation for cellular respiration. Balance and explain each compound. Is the reaction exergonic or endergonic? Why?

3. Write out the steps to glycolysis. How many ATP are created? What is the purpose of glycolysis? Where does it occur?

4. Write out the Krebs Cycle. What is its purpose? What products are produced? How many ATP? Where does it occur?

5. Write out the steps to the ETC. What are its products? Where does it occur?

6. What is chemiosmosis? What does it product? Where does it occur?

7. Explain a proton motive force or gradient. What is its purpose?

8. How are the protons (H+) from #7 produced? Where?

9. Explain the 2 types of fermentation. What are their reactants and their products? Where do they occur?

10. Does fermentation produce ATP? Why or why not?

11. Compare substrate phosphorylation to oxidative phosphorylation. Where do they occur?

12. What are the electron carriers and what do they do specifically?

13. What 2 carbon molecule enters the Krebs Cycle?

14. Trace the pathway of electrons from food to ATP synthesis in cellular respiration.

15. Making ATP using ATP synthase is most like what type of analogy?