試題詳解

11. Muscle cells, when an individual is exercising heavily and when the muscle becomes oxygen deprived, convert pyruvate to lactate. What happens to the lactate in skeletal muscle cells?
(A) It is converted to NAD⁺
(B) It produces CO₂ and water
(C) It is taken to the liver and converted back to pyruvate
(D) It is converted to alcohol