Answer Happy

For a muscle to stop contracting, the following sequence of events must happen. Complete the missing word in the text box following each sentence. Acetylcholine in the axon terminal or destroyed by its enzyme acetylcholinesterase. which requires must be taken back up by the nerve of the sarcolemma. Calcium levels in the cytosol must decrease which happens when calcium is A taken back up into the myosin binding site on A/ A If this occurs, there will be no more A The myosin head needs to detach to be present and to bind to the myosin head. A Tropomyosin must return to block the