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.
Correct Answer:

Verified
Correct Answer:
Verified
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