Biology, 01.07.2019 08:30 jalenshayewilliams
Which of the following events triggers the subsequent steps of excitation-contraction coupling? a. release of acetylcholine from axon terminals at the neuromuscular junction b. binding of calcium ions to troponin, which removes the blocking action of tropomyosin c. release of calcium ions from the terminal cisterns of the sarcoplasmic reticulum d. propagation of an action potential along the sarcolemma and t tubules
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Which of the following events triggers the subsequent steps of excitation-contraction coupling? a....
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