Locomotion and MovementHard
Question
ATPase enzyme needed for muscle contraction is located in
Options
A.actinin
B.troponin
C.myosin
D.actin
Solution
During muscular contraction myosin cross bridges heads. Myosin is not only an actin binding protein it is also an ATPase (an enzyme) which is activated by Ca2+ and Mg2+ions. Hence, ATPase enzyme is located in myosin.
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