The lactic acid that gets accumulated in the muscle cells during rigorous exercise causing muscle cramps is produced from
- A. ATP
- B. Pyruvate ✓
- C. Ethanol
- D. Glucose
Correct Answer: B. Pyruvate
Explanation
During rigorous exercise when oxygen is scarce, glucose is broken down into pyruvate (via glycolysis), which is then converted into lactic acid to sustain energy production.
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