MDCAT Biology MCQ #167

In the mitochondrial matrix, a molecule of NADH is oxidized via the electron transport chain. What is the maximum theoretical yield of ATP?

MDCAT Biology MCQ #167

  1. Question 1

    Q1. In the mitochondrial matrix, a molecule of NADH is oxidized via the electron transport chain. What is the maximum theoretical yield of ATP?

    • A) 1 ATP
    • B) 2 ATP
    • C) 3 ATP
    • D) 4 ATP

    Answer: 3 ATP

    Explanation: Each NADH entering the ETC typically yields three ATP molecules; FADH2 is a tempting choice but only produces two ATP molecules.