🩺 NEET🧬 Biology

Calcium is important in skeletal muscle contraction because it:

adetaches the myosin head from the actin filament.

bactivates the myosin ATPase by binding to it.

cbinds to troponin to remove the masking of active sites on actin for myosin.

dprevents the formation of bonds between the myosin cross bridges and the actin filament.

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