MDCAT Biology MCQ #385

During the citric acid cycle, a four-carbon compound combines with an incoming acetyl group. What is the name of this specific acceptor molecule?

MDCAT Biology MCQ #385

  1. Question 1

    Q1. During the citric acid cycle, a four-carbon compound combines with an incoming acetyl group. What is the name of this specific acceptor molecule?

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

    Answer: Oxaloacetate

    Explanation: Oxaloacetate (4C) combines with Acetyl-CoA (2C) to form Citrate (6C); Succinate is a later intermediate in the cycle.