Podcast
Questions and Answers
What type of junction forms a seal between adjacent cells?
What type of junction forms a seal between adjacent cells?
- Desmosome
- Tight junctions (correct)
- Adherent junctions
- Gap junctions
Which transmembrane glycoprotein is responsible for mediating cell adhesion at adherent junctions?
Which transmembrane glycoprotein is responsible for mediating cell adhesion at adherent junctions?
- Integrin
- E-cadherin (correct)
- Occludin
- Claudin
What type of junction provides channels for communication between adjacent cells?
What type of junction provides channels for communication between adjacent cells?
- Desmosomes
- Gap junctions (correct)
- Adherent junctions
- Tight junctions
What cytoskeletal feature is associated with adherens junctions at the apical pole of epithelial cells?
What cytoskeletal feature is associated with adherens junctions at the apical pole of epithelial cells?
Which protein links cadherins to actin filaments at adherens junctions?
Which protein links cadherins to actin filaments at adherens junctions?
What is the main function of desmosomes in epithelial cells?
What is the main function of desmosomes in epithelial cells?
Which structure directly links intermediate filaments to the extracellular matrix?
Which structure directly links intermediate filaments to the extracellular matrix?
What is the primary function of gap junctions?
What is the primary function of gap junctions?
Which type of protein forms the primary structural component of desmosomes?
Which type of protein forms the primary structural component of desmosomes?
What is the approximate size limit for molecules that can pass through gap junctions?
What is the approximate size limit for molecules that can pass through gap junctions?
Which structure is responsible for anchoring cells to the extracellular matrix via laminin binding?
Which structure is responsible for anchoring cells to the extracellular matrix via laminin binding?
Which of the following protein complexes forms a channel for intercellular communication?
Which of the following protein complexes forms a channel for intercellular communication?