Cell Adhesion and Junctions Quiz
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Questions and Answers

What type of adhesions are E-cadherin-mediated?

  • Desmosomes
  • Adherens junctions (correct)
  • Tight junctions
  • Gap junctions
  • Which type of junction holds cells together?

  • Tight junctions
  • Cell-matrix junctions
  • Gap junctions
  • Adherens junctions (correct)
  • Which protein complexes maintain the shape of tissues?

  • Cadherin molecule
  • Focal adhesions
  • Multiprotein adhesion complexes (correct)
  • Hemidesmosomes
  • Which junction joins an actin bundle?

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

    Where can Adherens junctions be found?

    <p>Epithelial and endothelial tissues</p> Signup and view all the answers

    Which type of junction is responsible for maintaining the polarity of cells?

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

    Which molecule binds to catenins and links to actin filaments in cell-cell adhesions?

    <p>Cadherin molecule</p> Signup and view all the answers

    Which junction directly connects the cytoplasm of two cells?

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

    Which type of junction is known for being a stronger cell-to-cell adhesion type?

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

    Which junction is associated with directly sealing epithelia at the corners of three cells?

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

    Which junction forms multiprotein complexes and helps in maintaining the barrier function of endothelial and epithelial cells?

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

    Which transmembrane proteins are associated with tight junctions?

    <p>(Claudins)</p> Signup and view all the answers

    In which type of tissue are desmosomes commonly found?

    <p>(Cardiac muscle tissue)</p> Signup and view all the answers

    Which structure acts as a pore for gap junctions?

    <p>(Connexon)</p> Signup and view all the answers

    Which type of junction is responsible for preventing the leakage of transported solutes and water?

    <p>(Tight junctions)</p> Signup and view all the answers

    Which proteins are part of desmosome-intermediate filament complexes?

    <p>(Desmoglein2)</p> Signup and view all the answers

    Which type of junction joins an actin bundle?

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

    What type of junction is associated with directly sealing epithelia at the corners of three cells?

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

    In which type of tissue are desmosomes commonly found?

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

    Which type of adhesions are E-cadherin-mediated?

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

    Which molecule binds to catenins and links to actin filaments in cell-cell adhesions?

    <p>E-cadherin</p> Signup and view all the answers

    Which type of junction is known for being a stronger cell-to-cell adhesion type?

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

    Which junction is associated with directly sealing epithelia at the corners of three cells?

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

    Which type of tissue are desmosomes commonly found in?

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

    Which type of junction is responsible for preventing the leakage of transported solutes and water?

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

    Which structure acts as a pore for gap junctions?

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

    What type of adhesions are E-cadherin-mediated?

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

    Which proteins are part of desmosome-intermediate filament complexes?

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

    Which junction joins an actin bundle?

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

    Which molecule binds to catenins and links to actin filaments in cell-cell adhesions?

    <p>E-cadherin</p> Signup and view all the answers

    Which type of junction is known for being a stronger cell-to-cell adhesion type?

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

    Which transmembrane proteins are associated with tight junctions?

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

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