Question
Biology Question on locomotion and movement
ATPase enzyme needed for muscle contraction is located in -
A
Troponin
B
Myosin
C
Actin
D
Actinin
Answer
Myosin
Explanation
Solution
During muscular contraction myosin cross bridges heads. Myosin is not only an actin binding protein. It is also an ATP ase (anenzyme) which is activated by Ca2+ Mg2+ ions. Hence, ATPase enzyme is located in myosin.