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Titin and Functions

Active sites ...

Question

Active sites are unmasked when calcium binds with a subunit of

A

Troponin

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B

Tropomyosin

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C

Actin

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D

Myosin

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Solution

The correct option is A Troponin
During muscle contraction, active sites on tropomyosin are unmasked for the binding of myosin to actin. This happens when calcium binds with a subunit of troponin.

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