Which of the following is distributed at...

Which of the following is distributed at regular intervals on the tropomyosin ?

Troponin

Calcium

Actin

Myosin

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NTA NEET SET 33
NTA MOCK TESTS|Exercise BIOLOGY|90 Videos
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Which of the following statements regarding the structure of contractile proteins are correct ? I. Each actin filaments is made up of two ' F ' actins, which are wound helically around each other. II. Two types of troponins are distributed at regular intervals on the tropomyosin . III. The globular head of meromyosin has binding sites for ATP and troponins. IV myosin is a structure proteins which also has enzymatic activity.

Fill in the blanks with the suitable words Each actin (thin) filament is made of two 'F' (filamentous) actins (a) wound to each other. Each 'F' actin is a polymer of (b) actins. Two filaments of another protein (c) ____also run close to the 'F' actins throughout its length. A complex protein (d) ____ is distributed at regular intervals on the tropomyosin. in the resting state a submit of troponin masks the active binding sites for (e)____ on the (c)____filaments.

Read the statements regarding muscle proteins (A) Actin is a thin filament and is made up of two F-actins (B) The complex protein, tropomyosin is distributed at regular intervals on the troponin (C) Myosin is a thick filament which is also a polymerized protein (D) The globular head of mermyosin consists of light meromyosin (LMM) Of the above statements

Which of the following statements about the molecular arrangement of actin and mysin In myofibre is/are incorrect ? (i) Each actin (thin filament) is made of 2F (filamentous) actins. (ii) F-actin is the polymer of G (globular) actin. (iii) 2F0actins are twisted into a helix. (iv) Two strands of tropomyosin (protein) lie in the grooves of F-actin. (v) Troponin molecules (complex proteins) are distributed at regular intervals on the tropomyosin. (vi) Troponin forms the head of the myosin molecule. (vii) The myosin is a polymerised protein.

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).

Which one of the following is widely distributed in a cell

Which of the following show restricted distribution?

Which of the following is a regular polyhedron?

NTA MOCK TESTS-NTA NEET SET 34-BIOLOGY

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