Addition of more mitochondria to a muscle fiber will have the greatest effect on ___________ .

Question

Quizplus · Accepted Answer

Slow oxidative fibers are highly dependent on oxidative phosphorylation for ATP production, which is the primary function of mitochondria. Therefore, adding more mitochondria to a muscle fiber will have the greatest effect on slow oxidative fibers. Fast oxidative and fast glycolytic fibers rely more on glycolysis for ATP production, which does not require mitochondria.

Addition of More Mitochondria to a Muscle Fiber Will Have