What is the source of energy for muscle contr | vedclass

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(B) $ATP$ is the source of energy for muscle contraction.In each myosin molecule,the $ATPase$ enzyme is present at the head region.In the presence of

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$ATP$

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(B) $ATP$ is the source of energy for muscle contraction.In each myosin molecule,the $ATPase$ enzyme is present at the head region.In the presence of this enzyme,along with $Ca^{2+}$ and $Mg^{2+}$ ions,the $ATP$ molecule dissociates into $ADP + \Pi$.Energy is released from the head of the myosin. With the energy obtained from $ATP$,the excited myosin forms a cross-bridge with actin,and muscle contraction is initiated.

What is the source of energy for muscle contraction?

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