Question:

Which from following is a protein of muscles ?

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Myosin is the contractile protein of muscle.
Updated On: Oct 1, 2026
  • Keratin
  • Myosin
  • Legumelin
  • Insulin
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The Correct Option is B

Solution and Explanation

Step 1: Understanding the Concept:
Muscles contract because of two proteins, actin and myosin. Myosin is the main structural and motor protein of muscle.

Step 2: Options:
Keratin is found in hair, nails and skin. Legumelin is a protein from legumes (pulses). Insulin is a hormone made by the pancreas. So myosin is the muscle protein.

Final Answer:
The muscle protein is myosin, option (B). \[ \boxed{\text{Myosin}} \]
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