PUT THE EVENTS OF
MUSCLE CONTRACTION IN ORDER
Question 28 options:
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Calcium ions attach to the
troponin. This causes...
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Medical Sciences
PUT THE EVENTS OFMUSCLE CONTRACTION IN ORDER
Question 28 options:
12345
Calcium ions attach to thetroponin. This causes the tropomyosin to move away from the actinactive sites.
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An ATP molecule providesthe energy to return the myosin cross bridge back to its original(cocked) position
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Myosin heads bend and pullthe actin over the myosin
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Myosin cross bridges attachto the active sites of the actin
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Nerve stimulation causesCalcium ions to be released from the Sarcoplasmic Reticulum
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1 Nerve stimulation causes Calcium ions to be released from theSarcoplasmic Reticulum 2Calcium ions attach to the troponin This causes the tropomyosinto move away from the actin active sites 3
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