adrianthronton13 adrianthronton13

02-03-2019
Biology

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Arrange the steps in the correct order to explain how the muscle fibers contract

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adamooni2004 adamooni2004

02-03-2019

Myosin and actin protein filaments attach to each other . Calcium ions release into myofibrilles . Myosin filaments pull on the actin filaments

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