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Actin is present in thin filament...

Actin is present in thin filament

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Which of the following statements are correct regarding muscle proteins ? (i) Actin is a thin filament and is mde up to two F-actin (ii) The complex protein, tropomyosin is distributed at regular intervals on the troponin (iii) Myosin is a thick filament which is also a polymerised protein. (iv) The globular head of meromyosin consists of light meromyosin (LMM).

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In resting stage, binding sites for myosin on actin filaments are masked by

A filamentous nitrogen fixing bacterium is present in root nodules of flowering plants.

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An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenacne of cell shape is called

Statements A-bands of the muscle are dark and contain myosin I-band are the light bands and contain action During muscle contration the A-band contracts The part between the two Z-lines is called as saromere The central part of thin filament, not over-lapped by thick filament is called H-zone of the above statements.

Major protein in the thick filaments of skeletal muscle fibre is

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