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Questions and Answers
What type of cell junction forms a barrier to prevent the passage of materials between cells?
What type of cell junction forms a barrier to prevent the passage of materials between cells?
Which type of junction is primarily involved in providing mechanical support to tissues?
Which type of junction is primarily involved in providing mechanical support to tissues?
Which cell junction type allows for direct communication between adjacent cells?
Which cell junction type allows for direct communication between adjacent cells?
Which junction helps maintain tissue integrity under mechanical stress?
Which junction helps maintain tissue integrity under mechanical stress?
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What distinguishes tight junctions from anchoring junctions?
What distinguishes tight junctions from anchoring junctions?
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Study Notes
Cell Junctions
- Tight junctions: Prevent leakage between cells
- Adhesion belt: Strengthens the tight junction
- Desmosome: Provides structural support and stability
- Gap junction: Allows direct communication between cells
- Focal adhesion: Anchors cell to extracellular matrix
- Hemi-desmosome: Anchors cell to basal lamina
- Integrin: Protein involved in cell adhesion
- Selectin: Protein involved in cell adhesion
- CAM: Cell adhesion molecule
- Membrane proteoglycan: Protein that interacts with extracellular matrix
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Description
This quiz explores various types of cell junctions, including tight junctions, desmosomes, and gap junctions. It covers their functions, significance in cellular communication, and structural support. Test your knowledge on cell adhesion proteins and their roles in maintaining tissue integrity.
