MDCAT Biology MCQ #473

At the conclusion of the respiratory electron transport chain, electrons are eventually accepted by which molecule to form water?

MDCAT Biology MCQ #473

  1. Question 1

    Q1. At the conclusion of the respiratory electron transport chain, electrons are eventually accepted by which molecule to form water?

    • A) NAD+
    • B) Oxygen
    • C) Water
    • D) Cytochrome a3

    Answer: Oxygen

    Explanation: Oxygen is the final electron acceptor, forming water; NAD+ is an electron carrier used earlier in the process.