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With Regard to Skeletal Muscle Contraction,which Event Comes First

Question 32

Multiple Choice

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


A) Cross-bridge formation between actin and myosin
B) Release of calcium from the sarcoplasmic reticulum
C) Activation of the NM receptor within the neuromuscular junction
D) Release of neurotransmitter (ACh) from the somatic motor neuron

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