When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is
Correct answer: A. Gain of 2 ATP molecules.
- A. Gain of 2 ATP molecules.
- B. Loss of 3 ATP molecules.
- C. Loss of 5 ATP molecules.
- D. Gain of 5 ATP molecules.
Explanation
In anaerobic conditions, glucose is converted to pyruvic acid through glycolysis, which produces a net gain of 2 ATP molecules. The conversion of pyruvic acid to lactic acid regenerates NAD but does not produce additional ATP.
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