Which Occurs FIRST as a Result of ATP Binding to Myosin

question 32

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 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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