MDCAT Biology MCQ #632

MDCAT Biology MCQ #632

1. Question 1

   Q1. What is the primary function of coenzyme Q in cellular respiration?

   • A) To generate ATP during substrate-level phosphorylation
   • B) To act as an electron carrier in the electron transport chain
   • C) To catalyze the citric acid cycle
   • D) To facilitate glycolysis

   Answer: To act as an electron carrier in the electron transport chain

   Explanation: Coenzyme Q: electron carrier, not directly generating ATP.