MDCAT Biology MCQ #217

While NADH and NADPH are similar electron carriers, how does their metabolic role typically differ in a plant cell?

MDCAT Biology MCQ #217

  1. Question 1

    Q1. While NADH and NADPH are similar electron carriers, how does their metabolic role typically differ in a plant cell?

    • A) NADH is for photosynthesis; NADPH is for respiration
    • B) NADPH is for anabolic; NADH is for catabolic
    • C) Both are used exclusively in the mitochondria
    • D) NADPH carries more energy than NADH

    Answer: NADPH is for anabolic; NADH is for catabolic

    Explanation: NADPH is primarily used for reductive biosynthesis in anabolic pathways (like photosynthesis), while NADH is used for ATP production in catabolic pathways.