The sliding filament model of muscle contraction argues that:
A) tropomyosin must be removed from the actin molecule before it can bind to myosin.
B) muscle contraction requires energy in the form of GTP.
C) the sarcomere stretches to create contraction.
D) actin filaments slide past myosin, causing the shortening of the muscle fiber.
Correct Answer:
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Q18: Striated muscles appear striated or banded under
Q19: Which of the following is a muscle
Q21: What is a muscle fiber?
A)a single cell
Q22: What is the basic contracting unit of
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Q24: Striated muscles include:
A)skeletal muscles.
B)cardiac muscles.
C)smooth muscles.
D)skeletal muscles
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