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2 March, 03:29

What occurs when the heads of myosin contact actin?

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  1. 2 March, 03:36
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    When myosin head bind to the actin, it will form a cross bridge and causes a power stroke to occur. It will hydrolyse the ATP to ADP + Pi in the ATPase of the myosin head and the myosin head will detached from actin and tilt back to its original position. Hence the sarcomere will shorten
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