Cytoskeleton Components Quiz
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Questions and Answers

Which protein is the major component of microfilaments?

  • Myosin
  • Actin (correct)
  • Desmin
  • Keratin
  • What is the function of microfilaments?

  • Muscle contraction
  • Cell movement
  • Intracellular transport/trafficking
  • All of the above (correct)
  • Which type of filaments are more stable than microfilaments?

  • Microtubules
  • Myosin filaments
  • Intermediate filaments (correct)
  • Actin filaments
  • What is the diameter of microtubules?

    <p>23 nanometers</p> Signup and view all the answers

    Which components make up the cytoskeleton?

    <p>Microfilaments, intermediate filaments, and microtubules</p> Signup and view all the answers

    Which of the following is NOT a function of the cytoskeleton?

    <p>Producing extracellular material</p> Signup and view all the answers

    What is a large-scale example of an action performed by the cytoskeleton?

    <p>Muscle contraction</p> Signup and view all the answers

    Which protein inhibits the interaction between actin and myosin during muscle contraction?

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

    What is the main component of microfilaments?

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

    Which type of cytoskeletal filament is composed of tubulin?

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

    Which neurodegenerative disorder is marked by the degradation of neurons and compromised microtubule assembly and stability?

    <p>Parkinson's disease</p> Signup and view all the answers

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