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 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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