Biology, asked by nirurocky2853, 2 months ago

What are contractile proteins? Explain its arrangement in rough muscles.

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Answered by lovelygirl46418

7

Answer:

By contractile proteins, we mean actin (thin filament) and myosin (thick filament). ... Along with the 'F' actin, two filaments of regulatory proteins tropomyosin and troponin at regular intervals are present. During muscle relaxation, troponin covers the binding sites for myosin on actin filaments.

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