Name the ion responsible for the unmasking of active sites for myosin for cross-bridge activity during…

Name the ion responsible for the unmasking of active sites for myosin for cross-bridge activity during muscle contraction.
  1. Calcium
  2. Magnesium
  3. Sodium
  4. Potassium

Solution

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

Asked in: NEET 2016 (Phase 2)

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