Thin filament of myofibrils contains $2$ 'F' actins and two other proteins namely ............ and ............

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Solution

The thin filament of muscle is actin and along with that, there are two other proteins namely Troponin and Tropomyosin. Troponin and Tropomyosin are the additional proteins that are attached to the actin and regulate the formation of cross-bridges and muscle contraction.

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