MDCAT Biology MCQ #434

Which specific stage of aerobic respiration is anomalous because it produces reduced coenzymes and CO2 but zero ATP?

MDCAT Biology MCQ #434

  1. Question 1

    Q1. Which specific stage of aerobic respiration is anomalous because it produces reduced coenzymes and CO2 but zero ATP?

    • A) Glycolysis
    • B) Pyruvate oxidation
    • C) Krebs cycle
    • D) Chemiosmosis

    Answer: Pyruvate oxidation

    Explanation: Pyruvate oxidation produces NADH and CO2 but no ATP. Glycolysis is tempting because it is the preceding step that does produce ATP.