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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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Aperson is outside exercising. body temperature begins to rise, and the person starts to sweat. their body temperature then returns to normal, and the body stops sweating. a positive b negative c allosteric d homeopathic
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Dna replication or repair occurs in a cell in all of thw following situations except when
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Which of the following events triggers the subsequent steps of excitation-contraction coupling? a....
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