NEET Biology question

Calcium is important in skeletal muscle contraction because it

(A)Binds to troponin to remove the masking of active sites for myosinCorrect
(B)Activates the myosin ATPase by binding to it
(C)Detaches the myosin head from the actin filament
(D)Prevents the formation of bonds between the myosin cross bridges and the actin filament

Answer: (A)

Solution

Released Ca2+ binds to troponin, causing a conformational shift that moves tropomyosin away and

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Question ID VK-117295