Actin filament is made up of

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(A) Each thin filament (actin filament) is made of two $F$-actins helically wound to each other. Each $F$-actin is a polymer of monomeric $G$-actins.

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Actin,troponin and tropomyosin

Vedclass · Answer

(A) Each thin filament (actin filament) is made of two $F$-actins helically wound to each other. Each $F$-actin is a polymer of monomeric $G$-actins. Two filaments of another protein,tropomyosin,also run close to the $F$-actins throughout its length. $A$ complex protein troponin is distributed at regular intervals on the tropomyosin. Thus,the actin filament is composed of actin,troponin,and tropomyosin.

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