Glycolysis is inhibited by inhibition of phosphofructokinase through a feedback mechanism by accumulation of _ in the mitochondrion.
Correct answer: A. Citrate
- A. Citrate
- B. Acetyl-CoA
- C. NADH
- D. Adenosine triphosphate (ATP)
Explanation
ATP is a major cellular energy carrier and acts as a feedback inhibitor of phosphofructokinase, reducing glycolysis when energy levels are high.
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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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