Enzyme ATPase required for muscle contraction is located in
A
Actin
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B
Tropinin
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C
Actinin
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D
Myosin
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Solution
The correct option is D Myosin During muscle contraction, myosin cross bridges the heads. It contains an actin binding protein as well as an ATPase, which is activated by Ca2+ and Mg2+ ions. Hence ATPase enzyme is located in myosin.