The power stroke of muscle contraction is when the myosin cross-bridges pull the actin toward the middle of the sarcomere.
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Q11: The pressure of skeletal muscle contraction is
Q17: Cardiac muscle fibers need outside nervous stimulation
Q19: Which type of muscle tissue is striated?
A)Cardiac
B)Skeletal
C)Smooth
D)Both
Q21: Which of the following proteins is NOT
Q23: Lactic acid buildup
A)occurs after strenuous activity.
B)occurs due
Q24: The I band is dark and split
Q24: What is released from axon terminals to
Q25: Myosin is
A)a protein.
B)the thin filament.
C)pulled inward during
Q26: Which of the following proteins found in
Q26: Myoglobin
A)breaks down glycogen.
B)holds a reserve supply of
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