The detachment of myosin heads from actin requires ATP.

Name: The detachment of myosin heads from actin requires ATP.
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The detachment of myosin heads from actin requires ATP hydrolysis, which allows the myosin heads to release from the actin filaments and return to their resting position, ready for the next cycle of muscle contraction. Without ATP, myosin heads would remain tightly bound to actin, preventing muscle relaxation.

The Detachment of Myosin Heads from Actin Requires ATP