The First Event to Occur in Muscle Relaxation Is That

question 68

Multiple Choice

The first event to occur in muscle relaxation is that:

• A)tropomyosin returns to its original position.
• B)myosin cross-bridges are prevented from binding to actin.
• C)the sarcoplasmic reticulum begins actively pumping calcium back into its sacs.
• D)acetylcholine is released.

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