easy · MCAT bio-biochem

During strenuous exercise, muscle cells may revert to lactic acid fermentation.

Compared to aerobic respiration, how does the net ATP yield per glucose molecule change in this anaerobic state?

  1. It decreases from approximately 30–32 ATP to 2 ATP.
  2. It increases because the rate of glycolysis must speed up to meet energy demands.
  3. It decreases from 36 ATP to 18 ATP.
  4. It remains the same because glycolysis is the primary source of ATP in both cases.

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