MDCAT Biology MCQ #3302

An athlete consumes a high-carbohydrate meal before a race. Which enzyme plays a key role in the utilization of this carbohydrate source?

MDCAT Biology MCQ #3302

  1. Question 1

    Q1. An athlete consumes a high-carbohydrate meal before a race. Which enzyme plays a key role in the utilization of this carbohydrate source?

    • A) Hexokinase
    • B) Phosphofructokinase
    • C) Pyruvate kinase
    • D) Lactate dehydrogenase

    Answer: Phosphofructokinase

    Explanation: Phosphofructokinase is a key regulatory enzyme in glycolysis, the primary pathway for carbohydrate utilization