MDCAT Biology MCQ #433

In aerobic respiration, while various molecules are reduced, which substance acts as the ultimate terminal electron acceptor?

MDCAT Biology MCQ #433

  1. Question 1

    Q1. In aerobic respiration, while various molecules are reduced, which substance acts as the ultimate terminal electron acceptor?

    • A) NAD+
    • B) FAD
    • C) Water
    • D) Oxygen

    Answer: Oxygen

    Explanation: Oxygen is the final electron acceptor in the ETC. Water is tempting as it is the product, not the acceptor.