Biology, asked by astha50, 1 year ago

state the role of calcium ions in muscle contraction.

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Answered by Anonymous

3

Calcium triggers contraction by reaction with regulatory proteins that in the absence of calcium prevent interaction of actin and myosin. ... Myosin control can function with pure actin in the absence of tropomyosin. Calcium binding and regulation of molluscan myosins depend on the presence of regulatory light chains.

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