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Questions and Answers
Where are tight junctions typically located in small intestinal epithelial cells?
Where are tight junctions typically located in small intestinal epithelial cells?
- At the basal part of the cells
- At the apical part of the cells (correct)
- Between the microvilli and the nucleus
- At the lateral part of the cells
What is the main function of tight junctions?
What is the main function of tight junctions?
- To separate the nucleus from the cytoplasm
- To create an impenetrable seal between the cells (correct)
- To facilitate cell migration
- To allow free passage of molecules and ions between cells
What type of proteins stabilize tight junctions?
What type of proteins stabilize tight junctions?
- Actin proteins
- Occludin proteins (correct)
- Cadherin proteins
- Keratin proteins
Which technique is used to visualize tight junctions?
Which technique is used to visualize tight junctions?
What is the function of anchoring junctions?
What is the function of anchoring junctions?
Where are anchoring junctions located in intestinal epithelial cells?
Where are anchoring junctions located in intestinal epithelial cells?
What type of cell-cell junction is involved in the interaction between white blood cells and capillary endothelial cells?
What type of cell-cell junction is involved in the interaction between white blood cells and capillary endothelial cells?
Which type of junction is responsible for holding cells together?
Which type of junction is responsible for holding cells together?
What type of protein is involved in the interaction between white blood cells and capillary endothelial cells?
What type of protein is involved in the interaction between white blood cells and capillary endothelial cells?
What is the function of gap junctions?
What is the function of gap junctions?
What is the name of the type of anchoring junction that is associated with intermediate filaments?
What is the name of the type of anchoring junction that is associated with intermediate filaments?
What is the term for the process of white blood cells passing through the capillary wall?
What is the term for the process of white blood cells passing through the capillary wall?
What is a consequence of losing E-cadherin expression in epithelial cells?
What is a consequence of losing E-cadherin expression in epithelial cells?
What type of junctions are formed by actin microfilament-associated proteins?
What type of junctions are formed by actin microfilament-associated proteins?
What is the name of the autoimmune disease that is characterized by the formation of autoantibodies against cadherin proteins?
What is the name of the autoimmune disease that is characterized by the formation of autoantibodies against cadherin proteins?
What is the primary function of gap junctions?
What is the primary function of gap junctions?
What is the name of the type of junction that is characterized by a tight seal between cells?
What is the name of the type of junction that is characterized by a tight seal between cells?
What type of filaments are associated with macula adherens?
What type of filaments are associated with macula adherens?
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