Read the statements regarding muscle pro...

Read the statements regarding muscle proteins.
(I)Actin is a thin filament and is made up of two F-actins.
(II) The complex protein, tropomysoin is distributed at regular intervals of troponin.
(II) Myosin is a thick filament which is also a polymerized protein.
(IV) The globular head of meeromyosin consists of light meromyosin (LMM).
Which of the above statements are correct?

I, II and III

I, II and IV

I and III

II and IV

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