Biology, asked by taniya4941, 8 months ago

Role of calcium in muscle contraction is ?

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Answered by aastha12812
0

When calcium binds to troponin, the troponin changes shape, removing tropomyosin from the binding sites. The sarcoplasmic reticulum stores calcium ions, which it releases when a muscle cell is stimulated; the calcium ions then enable the cross-bridge muscle contraction cycle.

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