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zoo141 chap9

Events leading to excitation-contraction coupling:

QuestionAnswer
Events leading to excitation-contraction coupling (step 1) action potential travels down axon of neuron to synaptic terminal
Events leading to excitation-contraction couplin (step 2) triggers exocytosis of ACh into synaptic cleft
Events leading to excitation-contraction couplin (step 3) ACh binds to receptors on motor end plate (ACh later broken down by AChE)
Events leading to excitation-contraction couplin (step 4) Na ions rush into sarcoplasm,action potential generated in sarcolemma
Events leading to excitation-contraction couplin (step 5) action potential travels across sarcolemma and down T tubules
Events leading to excitation-contraction couplin (step 6) sarcoplasmic reticulum releases Ca ions (called excitation-contraction coupling)
Created by: btuehara
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