MDCAT Biology MCQ #278

According to the PTB, how many molecules of ATP are generated by the oxidative phosphorylation of a single molecule of FADH2?

MDCAT Biology MCQ #278

  1. Question 1

    Q1. According to the PTB, how many molecules of ATP are generated by the oxidative phosphorylation of a single molecule of FADH2?

    • A) One
    • B) Two
    • C) Three
    • D) Four

    Answer: Two

    Explanation: FADH2 enters at Complex II, bypassing the first proton pump, yielding 2 ATP; NADH enters at Complex I, yielding 3 ATP.