MDCAT Biology MCQ #557

During intense exercise, what process supplies most of the energy for muscle contraction?

MDCAT Biology MCQ #557

  1. Question 1

    Q1. During intense exercise, what process supplies most of the energy for muscle contraction?

    • A) Oxidative phosphorylation
    • B) Glycolysis
    • C) Lactic acid fermentation
    • D) Beta-oxidation

    Answer: Glycolysis

    Explanation: Glycolysis: fastest ATP production, lactic acid fermentation incorrect because it occurs after glycolysis