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

Where can Adherens junctions be found?

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

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

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

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

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

Which junction directly connects the cytoplasm of two cells?

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

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

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

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

<p>Tricellular junctions (C)</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 (D)</p> Signup and view all the answers

Which transmembrane proteins are associated with tight junctions?

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

In which type of tissue are desmosomes commonly found?

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

Which structure acts as a pore for gap junctions?

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

Which proteins are part of desmosome-intermediate filament complexes?

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

Which type of junction joins an actin bundle?

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

In which type of tissue are desmosomes commonly found?

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

Which type of adhesions are E-cadherin-mediated?

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

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

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

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

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

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

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

Which type of tissue are desmosomes commonly found in?

<p>Muscle tissue (B)</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 (A)</p> Signup and view all the answers

Which structure acts as a pore for gap junctions?

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

What type of adhesions are E-cadherin-mediated?

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

Which proteins are part of desmosome-intermediate filament complexes?

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

Which junction joins an actin bundle?

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

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

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

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

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

Which transmembrane proteins are associated with tight junctions?

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

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