MDCAT Biology MCQ #627

What is the primary function of the enzyme isocitrate dehydrogenase in the citric acid cycle?

MDCAT Biology MCQ #627

  1. Question 1

    Q1. What is the primary function of the enzyme isocitrate dehydrogenase in the citric acid cycle?

    • A) To convert isocitrate into alpha-ketoglutarate
    • B) To convert citrate into isocitrate
    • C) To convert glucose-6-phosphate into glucose-1-phosphate
    • D) To convert phosphoenolpyruvate into pyruvate

    Answer: To convert isocitrate into alpha-ketoglutarate

    Explanation: Isocitrate dehydrogenase catalyzes the conversion of isocitrate into alpha-ketoglutarate, producing NADH.