With Regard to Skeletal Muscle Contraction,which Event Comes Last

question 21

Multiple Choice

With regard to skeletal muscle contraction,which event comes last?

• A) shortening of the sarcomere
• B) release of calcium from the sarcoplasmic reticulum
• C) activation of the NM receptors by ACh
• D) release of neurotransmitter (ACh)from the somatic motor neuron

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