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Sarcomere Structure and Organization Quiz
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Sarcomere Structure and Organization Quiz

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@GladEmerald

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Questions and Answers

Which proteins make up the thick and thin filaments in sarcomeres?

  • Actin and ATP
  • Myosin and ATP
  • Tropomyosin and myosin
  • Myosin and F-actin (correct)
  • What is the main reason for the A and I banding pattern in sarcomeres?

  • The arrangement of thick and thin myofilaments (correct)
  • The binding of myosin to actin
  • The organization of myofibrils
  • The presence of accessory proteins
  • What is the function of tropomyosin in thin filaments?

  • To provide ATPase activity
  • To form cross-bridges
  • To block myosin and actin interaction (correct)
  • To hydrolyze ATP
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