Action Potentials in Muscle Fibers Cause

question 71

Multiple Choice

Action potentials in muscle fibers cause

• A) the sarcoplasmic reticulum to release ATP.
• B) the sarcoplasmic reticulum to release calcium.
• C) myosin-actin bonds to break.
• D) the energizing of myosin molecules.
• E) all of these to occur.

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