Multiple Choice
The speed of contraction of skeletal muscle is related to:
A) The oxidative capacity of the skeletal muscle fiber.
B) The myosin adenosine triphosphatase (ATPase) activity of the skeletal muscle fiber.
C) The level of β-adrenergic stimulation.
D) The rate of Ca++ extrusion from the skeletal muscle fiber.
E) The level of myosin light-chain phosphorylation within the muscle fiber.
Correct Answer:

Verified
Correct Answer:
Verified
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