MCAT Biochemistry Question 179: Answer and Explanation

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Question: 179

14. Which of the following statements is FALSE?

A. Growth hormone participates in glucose counter-regulation.
B. T₄ acts more slowly than T₃.
C. ATP stores are turned over more than 10,000 times daily.
D. Catecholamines stimulate the sympathetic nervous system.

Correct Answer: C

Explanation:

ATP stores are turned over about 1,000 times per day, not 10,000.