PHYSIOLOGY
NEUROMUSCULAR JUNCTION TRANSMISSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cross bridges happen when an ATP at the myosin head is hydrolyzed to ADP and Phosphate.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Myosin reactivation occurs when the free myosin head splits ATP into ADP and P. The energy released is used to recock the myosin head.
Detailed explanation-2: -After myosin changes its shape, ATP binds to the myosin head. That binding of ATP to myosin releases the myosin from actin, and that changes the cross-bridge to its detached state.
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