In Muscle Contraction, the Breaking of the Cross-Bridge Between Actin

question 58

Multiple Choice

In muscle contraction, the breaking of the cross-bridge between actin and myosin is caused by ____.

• A) hydrolysis of ATP into ADP and Pi
• B) formation of ATP from ADP and Pi
• C) release of Pi from the myosin head
• D) binding of a new ATP to the myosin head
• E) return of myosin to a high-energy state

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