In Muscle Contraction,which of the Following Triggers the Power Stroke

question 42

Multiple Choice

In muscle contraction,which of the following triggers the power stroke?

• A) release of Pi from the myosin head
• B) binding of ATP to the myosin head
• C) hydrolysis of ATP into ADP and Pi
• D) cross-bridge formation between actin and myosin
• E) relaxation of the sarcomere

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