Sarcomeres
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Sarcomeres

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@NourishingSugilite

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Questions and Answers

Which region of the sarcomere contains both actin and myosin myofilaments overlapping, except in the center?

  • A band (correct)
  • H zone
  • M line
  • I band

    • What is the function of the Z disks in the sarcomere?

  • To form an attachment for actin myofilaments (correct)
  • To give the muscle the ability
  • To anchor myosin myofilaments
  • To hold the actin myofilaments in place

    • What is the purpose of the H zone in the sarcomere?

  • To extend to the ends of the myosin myofilaments
  • To contain only myosin myofilaments (correct)
  • To anchor myosin myofilaments
  • To hold the actin myofilaments in place

    • Which protein holds the myosin myofilaments in place in the sarcomere?

    <p>Titin</p> Signup and view all the answers

    What is the main component of the I bands in the sarcomere?

    <p>Actin myofilaments</p> Signup and view all the answers

    Which protein forms an attachment for actin myofilaments in the sarcomere?

    <p>Z disks</p> Signup and view all the answers

    What is the main component of the A band in the sarcomere?

    <p>Both actin and myosin myofilaments</p> Signup and view all the answers

    Which region of the sarcomere contains only myosin myofilaments?

    <p>H zone</p> Signup and view all the answers

    What is the function of the M line in the sarcomere?

    <p>To anchor myosin</p> Signup and view all the answers

    What gives muscle the ability to stretch and recoil?

    <p>Titin</p> Signup and view all the answers

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