Enlargement of muscles due to exercise is the result of an increase in the number of motor units. Mitosis that produces more skeletal muscle fibers. an increase in available ATP. an increase in cell size due to increase in intracellular proteins (cell hypertrophy).
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Step 1: Enlargement of muscles due to exercise is not the result of an increase in the number of motor units or mitosis that produces more skeletal muscle fibers. Show more…
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