Locomotion and MovementHard

Question

Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.

Options

A.

Calcium

B.

Magnesium

C.

Sodium

D.

Potassium

Solution

Calcium ions bind with TpC unit of troponin which is responsible for unmasking of active sites for myosin for cross bridge activity during muscles contraction.

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