Question

Structure of Contractile Proteins (Actin) : Each actin filament is made of two ________ (C) helically wound to each other. Each ________ (C) is a polymer of monomeric ____________. Two filaments of another protein, ___________ (B) also run close to the ____________ (C) throughout its length. In the resting state a subunit of ___________ (A) masks the active binding sites for myosin on the actin filaments

Answer 1

F’actins ; ‘F’ actin, ‘G’actins; tropomyosin, ‘F’ actins; troponin

Structure of Contractile Proteins (Actin) : Each actin (thin) filament is made of two ‘F’ (filamentous) actins helically wound to each other. Each ‘F’ actin is a polymer of monomeric ‘G’ (Globular) 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. In the resting state a subunit of troponin masks the active binding sites for myosin on the actin filaments

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Answer 2

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Here is ur answer..!!

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Ans :

• ‘F’actins ;

• ‘F’ actin,

• ‘G’actins;

• Tropomyosin,

• ‘F’ actins;

• Troponin

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