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MCAT Question A Day - 9/3/14 - Answer!

When undergoing physical exercise, healthy adult skeletal muscle is likely to respond with an increase in all of the following except:

A.  glycolysis
B.  the Citric Acid Cycle
C.  mitosis
D.  protein production

C is correct. All muscles will need more energy and protein if they are being used rigorously, but in humans, mature skeletal muscle cells do not divide.

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