Intercellular Adhesions and Junctions Quiz
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Questions and Answers

What are the integral membrane proteins called that extend out from each cell and bind tightly together?

  • Tight junction proteins
  • Cytoskeleton proteins
  • Extracellular matrix proteins
  • Cell adhesion molecules (correct)
  • In multicellular organisms, cells are able to bind to each other; this cellular property that mediates the binding is called:

  • Cell junction
  • Tight junction adhesion
  • Extracellular matrix binding
  • Cell adhesion (correct)
  • Where are tight junctions found in the body?

  • Endothelial cells and epithelial cell membranes (correct)
  • Muscle cells and nerve cells
  • Connective tissue and bone cells
  • Blood cells and lymph cells
  • What is the collective term for the extracellular components that provide a structural framework for cell binding?

    <p>Extracellular matrix (ECM)</p> Signup and view all the answers

    What type of cell junction serves as a tight seal between neighboring cells?

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

    Cell adhesion molecules extend out from each cell and bind loosely together.

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

    The binding of cells to the extracellular matrix is termed cell-matrix adhesion.

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

    Tight junctions are found in muscle cells and nerve cells.

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

    The cytosolic domains of cell adhesion molecules attach to the cell membrane.

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

    Tight junctions prevent leakage between two cells in the epithelial membrane.

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

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