When an Individual Is Exercising Heavily and the Muscle Becomes

question 62

Multiple Choice

When an individual is exercising heavily and the muscle becomes oxygen-deprived, muscle cells convert pyruvate to lactate. What happens to the lactate in skeletal muscle cells?

• A) It is reduced and converted back to pyruvate in muscle cells.
• B) It is oxidized to CO₂ and water.
• C) It is taken to the liver and converted back to pyruvate.
• D) It oxidizes FADH₂ to FAD+.
• E) It is converted to alcohol.