Cell Junctions Quiz
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Questions and Answers

Which type of anchoring junctions is particularly abundant in tissues that experience mechanical stress, such as the skin, heart, and muscles?

  • Hemidesmosomes
  • Desmosomes (correct)
  • Gap junctions
  • Adherens junctions
  • What are the transmembrane proteins that form homophilic interactions between adjacent cells in desmosomes?

  • Selectins
  • Integrins
  • Immunoglobulins
  • Cadherins (correct)
  • Which type of anchoring junctions connect adjacent cells together and are linked to intermediate filaments like keratin filaments?

  • Desmosomes (correct)
  • Tight junctions
  • Adherens junctions
  • Hemidesmosomes
  • What is the main function of adherens junctions in cell interactions?

    <p>Connecting adjacent cells together</p> Signup and view all the answers

    Which type of anchoring junctions are specialized structures that enable cells to adhere to each other and to the extracellular matrix?

    <p>Anchoring junctions</p> Signup and view all the answers

    What are the three main types of anchoring junctions?

    <p>Desmosomes, adherens junctions, and hemidesmosomes.</p> Signup and view all the answers

    What are the transmembrane proteins that form homophilic interactions between adjacent cells in desmosomes?

    <p>Cadherins.</p> Signup and view all the answers

    Which type of anchoring junctions is particularly abundant in tissues that experience mechanical stress, such as the skin, heart, and muscles?

    <p>Desmosomes.</p> Signup and view all the answers

    What is the main function of adherens junctions in cell interactions?

    <p>They provide mechanical stability by linking to actin filaments.</p> Signup and view all the answers

    Which type of anchoring junctions connect the cell to the extracellular matrix and help maintain tissue integrity?

    <p>Hemidesmosomes.</p> Signup and view all the answers

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