The stage of cellular respiration producing maximum ATP:

Correct answer: D. Chemiosmosis

  • A. Glycolysis
  • B. Oxidation of pyruvate
  • C. Krebs cycle
  • D. Chemiosmosis

Explanation

Chemiosmosis uses the proton gradient created by the electron transport chain to produce the majority of ATP in cellular respiration. Glycolysis and the Krebs cycle produce only small amounts of ATP directly, while chemiosmosis generates the majority.

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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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