MDCAT Biology MCQ #600

In the context of muscle contraction, which molecule is responsible for storing energy that can be rapidly released to fuel muscle activity?

MDCAT Biology MCQ #600

  1. Question 1

    Q1. In the context of muscle contraction, which molecule is responsible for storing energy that can be rapidly released to fuel muscle activity?

    • A) ATP
    • B) ADP
    • C) Phosphocreatine
    • D) Glycogen

    Answer: Phosphocreatine

    Explanation: Phosphocreatine stores energy for rapid release, unlike ATP or ADP.