Question

Describe the structure of actin filament.

Solution

Action filament :

1. Each actin (thin) filament is made of two “F” (filamentous) actins helically wound to each other. Each ‘F’ actin is a polymer of monomelic ‘G’ (Globular) actins.

2. Two filaments of another protein, tropomyosin also run close to the ‘F’ actins throughout its length.

3. A complex protein troponin is distributed at regular intervals on the tropomyosin.

Describe the structure of actin filament.

Structure of thick and thin filaments

Some More Questions From Locomotion and Movement Chapter

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Locomotion And Movement

Describe the structure of actin filament.

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