MDCAT Biology MCQ #414

In the Krebs cycle, a two-carbon acetyl group must combine with a four-carbon scavenger molecule. What is the name of this acceptor molecule?

MDCAT Biology MCQ #414

  1. Question 1

    Q1. In the Krebs cycle, a two-carbon acetyl group must combine with a four-carbon scavenger molecule. What is the name of this acceptor molecule?

    • A) Citrate
    • B) Succinate
    • C) Malate
    • D) Oxaloacetate

    Answer: Oxaloacetate

    Explanation: Oxaloacetate combines with Acetyl-CoA to form citrate. Citrate is wrong because it is the product, not the acceptor molecule.