In a Muscle Contraction Event, ____ Causes the Release of Calcium

question 31

Multiple Choice

In a muscle contraction event, ____ causes the release of calcium from the sarcoplasmic reticulum.

• A) the hydrolysis of ATP
• B) the formation of ATP
• C) the formation of the actin-myosin cross-bridge
• D) a signal from a motor neuron
• E) the shortening of the sarcomere

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