Net ATP produced at the end of glycolysis:
Correct answer: A. 2 ATP
- A. 2 ATP
- B. 4 ATP
- C. 6 ATP
- D. 3 ATP
- E. 8 ATP
Explanation
One glucose molecule yields four ATP molecules in total during glycolysis. Since 2 ATP molecules are used up in the first phase of glycolysis, there is a net gain of 2 ATP molecules.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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