Muscle Contract

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Exercisephysiology

 

Instructions

1. In your own words describe the role that acetylcholine plays in the contraction of a muscle fiber.

2. In your own words describe the role that tropomyosin plays in contraction of a muscle fiber.

3. If for any reason more calcium than usual is released from the SR, how would this affect the amount of force produced by the muscle fiber? Why?



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