What is the primary mechanism that terminates skeletal muscle contraction by lowering cytosolic Ca2+?
QUESTION
What is the role of ATP hydrolysis by myosin ATPase during the cross-bridge cycle?
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ANSWER
Hydrolysis cocks the myosin head into a high-energy state. ATP hydrolysis provides energy to position the myosin head in a cocked state, ready for attachment to actin upon site exposure.