Cellular Respiration Review Worksheet 1. Explain how the energy used by an athlete during a football game comes from the energy of sunlight. 2. What are the 3 phases of the cellular respiration process? 3. Where in the cell does the glycolysis part of cellular respiration occur? 4. Where in the mitochondria does the Krebs (Citric Acid) cycle occur? 5. Where specifically in the mitochondria does the electron transport chain occur? 6. How many ATP (net) are made in the glycolysis part of cellular respiration? 7. How many ATP are made in the Kreb’s cycle part of cellular respiration? 8. How many ATP are made in the electron transport part of cellular respiration? 9. In which phase of cellular respiration is carbon dioxide made? 10. In which phase of cellular respiration is water made? 11. In which phase of cellular respiration is oxygen a substrate? 12. In which phase of cellular respiration is glucose a substrate? 13. What is the PURPOSE of glycolysis? 14. What is the PURPOSE of the Kreb’s cycle (citric acid cycle)? 15. What is the PURPOSE of oxidative phosphorylation? 16. What would happen to the cellular respiration process if the enzyme for breaking glucose down to pyruvate were missing or defective? 17. Fill in the diagram below.