On binding to actin,the myosin head tilts 45 degrees inward.
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Q47: Muscles that produce precise,delicate movements have fewer
Q48: The action potential is over before the
Q49: Slow and fast fibers are interconvertible.
Q50: In an isokinetic contraction,the load remains constant
Q51: Tropomyosin and troponin are often called stimulation
Q53: Both the thin and thick filaments change
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