Multiple Choice
When a muscle fiber is relaxed,why can't myosin bind to actin?
A) ATP is not present
B) the myosin binding site on actin is blocked
C) the myosin head is in the wrong shape for binding
D) the actin is in the wrong orientation for myosin binding
E) the myosin head is 180 degrees from its attachment configuration
Correct Answer:
Verified
Correct Answer:
Verified
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