Which Occurs FIRST as a Result of ATP Binding to Myosin

question 78

Multiple Choice

Which occurs FIRST as a result of ATP binding to myosin?

• A)Cross-bridge heads are cocked into an "energized" state.
• B)Actin dissociates from myosin.
• C)Ca²⁺ is released from the sarcoplasmic reticulum.
• D)Actin binds to myosin.
• E)Cross-bridges rotate,sliding past the thin filament.

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