Cell Studies in 3D Systems Quiz
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Questions and Answers

What are the main components of filopodia?

  • Microtubules and intermediate filaments
  • Membrane receptors
  • F-actin bundles (correct)
  • Stress fibers

    • Which structure is characterized by containing integrins and associated proteins, connecting cell surface integrins with the cytoskeleton?

  • Focal adhesions
  • Filopodia
  • Podosomes (correct)
  • Lamellipodia

    • What is the major actin filament bundling protein in filopodia?

  • Myosin
  • Cofilin
  • Tropomyosin
  • Fascin (correct)

    • Which mechanobiology structure is involved in driving cell migration by actin polymerization at the leading edge?

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

    In which cellular structures do actin filaments emanate rapidly from the actin core to the plasma membrane?

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

    Which cellular structure is characterized by a core containing several coordinators of actin nucleation and a ring complex connecting cell surface integrins with the cytoskeleton?

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

    What are invadopodia mainly involved in within cancer cells?

    <p>Membrane protrusions and high proteolytic activities</p> Signup and view all the answers

    Which type of cellular structure exhibits a lifetime that is shorter than focal adhesions and only lasts a few minutes?

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

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