Muscle Contraction Proteins

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Questions and Answers

Which protein is a major component of the thick filaments in muscle?

  • Actin
  • Myosin (correct)
  • Troponin
  • Tropomyosin

What percentage of myofibrils does tropomyosin constitute?

  • 15-30% (correct)
  • 10-17%
  • 60%
  • 83-90%

Which type of protein is collagen?

  • Actin
  • Myosin
  • Intracellular or protoplasmic protein
  • Connective tissue protein (correct)

Which pigment is responsible for the pink to red color of muscle?

<p>Myoglobin (B)</p> Signup and view all the answers

What happens to collagen when muscle is cooked?

<p>It converts into gelatin (B)</p> Signup and view all the answers

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