## Question

###### Use the_ following information to answer the next question Role of Calcium Ions in the Contraction of # Myofibril Calcium ions bond to protein molecule called troponin that is part of the actin myofilament The attachment sites for the myosin heads are physically blocked by protein called tropomyosin The myosin heads can bind t0 the actin, and contraction occurs The : calcium ion/troponin complex exposcs the myosin binding sites of actin80 When these steps are placed in the correct sequence of ev

Use the_ following information to answer the next question Role of Calcium Ions in the Contraction of # Myofibril Calcium ions bond to protein molecule called troponin that is part of the actin myofilament The attachment sites for the myosin heads are physically blocked by protein called tropomyosin The myosin heads can bind t0 the actin, and contraction occurs The : calcium ion/troponin complex exposcs the myosin binding sites of actin 80 When these steps are placed in the correct sequence of events the order of this sequence would be: 2413 1243 1234 2143

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