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15 September, 15:18

After nervous stimulation stops, what prevents ACh in the synaptic cleft from continuing to stimulate contraction?

A. acetylcholinesterase destroying the ACh

B. the tropomyosin blocking the myosin once full contraction is achieved

C. calcium ions returning to the terminal cisternae

D. the action potential stops going down the overloaded T tubules

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  1. 15 September, 16:58
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    B, I am not a 100% sure
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