7.2: Glycolysis harvests chemical energy by oxidizing glucose to pyruvate
Key Terms: Glycolysis, Citric Acid Cycle, Oxidative Phosphorylation, Substrate-Level Phosphorylation,
BELLWORK: Watch and take your own notes on the Coupled Reactions Bozeman Video
IN CLASS READING of Concept 7.2: Pages 145-147 in your text.
From page 145 (The Stages of Cellular Respiration: A Preview):
1. List the 3 metabolic stages of cellular respiration.
2. State where in the cell glycolysis takes place.
3. Describe what happens in glycolysis .
4. State where pyruvate goes in eukaryotic cells.
5. Explain what happens to pyruvate when it gets there.
6. State the part of cellular respiration that produces the CO₂ you're breathing out right now.
From page 146 (The Stages of Cellular Respiration: A Preview):
7. State where in the mitochondrion oxidative phosphorylation happens.
8. State the percentage of ATP production that comes from oxidative phosphorylation.
9. Explain how substrate-level phosphorylation is different from oxidative phosphorylation.
10. State the number of ATP molecules created by each molecule of glucose degraded by respiration.
From page 147:
11. State the literal meaning of the word glycolysis.
12. Summarize what happens during the 2 phases of glycolysis (the energy investment phase, and the energy payoff phase).
13. List the net yield of glycolysis (how many ATP and NADH?)
14. List the 3 domains of life that utilize glycolysis for their energy needs.
15. Determine whether or not CO₂ is released during glycolysis .
16. Determine whether glycolysis happens if oxygen is present or not.
1. List the 3 metabolic stages of cellular respiration.
2. State where in the cell glycolysis takes place.
3. Describe what happens in glycolysis .
4. State where pyruvate goes in eukaryotic cells.
5. Explain what happens to pyruvate when it gets there.
6. State the part of cellular respiration that produces the CO₂ you're breathing out right now.
From page 146 (The Stages of Cellular Respiration: A Preview):
7. State where in the mitochondrion oxidative phosphorylation happens.
8. State the percentage of ATP production that comes from oxidative phosphorylation.
9. Explain how substrate-level phosphorylation is different from oxidative phosphorylation.
10. State the number of ATP molecules created by each molecule of glucose degraded by respiration.
From page 147:
11. State the literal meaning of the word glycolysis.
12. Summarize what happens during the 2 phases of glycolysis (the energy investment phase, and the energy payoff phase).
13. List the net yield of glycolysis (how many ATP and NADH?)
14. List the 3 domains of life that utilize glycolysis for their energy needs.
15. Determine whether or not CO₂ is released during glycolysis .
16. Determine whether glycolysis happens if oxygen is present or not.
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