What is a power stroke?
A) The electrical impulse that travels down the nerve cell to stimulate the muscle cell
B) The grabbing hold of the actin active sites by myosin
C) Myosin pulling on actin to draw Z-lines toward the center, shortening the sarcomere
D) The binding of ATP to myosin.
Correct Answer:
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Q60: All of the following muscles make up
Q61: Z-lines form the ends of what structure?
A)
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Q66: Which of the following statements about sarcomeres
Q67: Which phase of a contraction is calcium
Q68: Which statement about a muscle's response to
Q69: Which of the following describes an event
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