Podcast
Questions and Answers
What is the main function of hemidesmosomes?
What is the main function of hemidesmosomes?
- Connect cells to each other
- Facilitate communication between neighboring cells
- Anchor cells to the basement membrane (correct)
- Synthesize proteins for cell adhesion
How many connexin protein molecules form a hemichannel in the structure of gap junctions?
How many connexin protein molecules form a hemichannel in the structure of gap junctions?
- 6 (correct)
- 4
- 8
- 10
What transmembrane glycoproteins are present in hemidesmosomes?
What transmembrane glycoproteins are present in hemidesmosomes?
- Collagens
- Laminins
- Connexins
- Integrins (correct)
Which type of junction is responsible for connecting epithelial cells to each other?
Which type of junction is responsible for connecting epithelial cells to each other?
What is the primary function of the basement membrane?
What is the primary function of the basement membrane?
Which structure contains collagen produced by fibroblasts in close proximity to connective tissue?
Which structure contains collagen produced by fibroblasts in close proximity to connective tissue?
'Connecting neighboring cells' is a function associated with:
'Connecting neighboring cells' is a function associated with:
'Anchoring cells to the basement membrane' is a role carried out by:
'Anchoring cells to the basement membrane' is a role carried out by:
What is the main function of tight junctions?
What is the main function of tight junctions?
Which proteins are mainly responsible for forming tight junctions?
Which proteins are mainly responsible for forming tight junctions?
Where are tight junctions predominantly found in the body?
Where are tight junctions predominantly found in the body?
What is the main function of adherens junctions?
What is the main function of adherens junctions?
Which type of junction keeps cell polarity by preventing migration of proteins between apical and basal surfaces?
Which type of junction keeps cell polarity by preventing migration of proteins between apical and basal surfaces?
What does the presence of adhesion plaques indicate?
What does the presence of adhesion plaques indicate?
Which type of junction is located more towards the basal surface of epithelium cells?
Which type of junction is located more towards the basal surface of epithelium cells?
What is the role of desmosomes in cell-cell adhesion?
What is the role of desmosomes in cell-cell adhesion?
What are the cell junctions that hold epithelial cells together?
What are the cell junctions that hold epithelial cells together?
Which type of cell junction is responsible for providing communication channels between adjacent cells?
Which type of cell junction is responsible for providing communication channels between adjacent cells?
Which cell junction provides mechanical strength and connects epithelial cells to the basement membrane?
Which cell junction provides mechanical strength and connects epithelial cells to the basement membrane?
Which type of cell junction is involved in the selective passage of molecules through epithelial layers?
Which type of cell junction is involved in the selective passage of molecules through epithelial layers?
Which cell junction is essential for cell-cell adhesion and regulation of cell shape and movement?
Which cell junction is essential for cell-cell adhesion and regulation of cell shape and movement?
Which type of cell junction serves as a physical barrier to prevent leakage in between epithelial cells?
Which type of cell junction serves as a physical barrier to prevent leakage in between epithelial cells?
Which type of cell junction aids in quick communication between cells by allowing fast passage of small molecules?
Which type of cell junction aids in quick communication between cells by allowing fast passage of small molecules?
Which cell junction plays a role in attaching actin filaments to the cell membrane and is important for tissue integrity?
Which cell junction plays a role in attaching actin filaments to the cell membrane and is important for tissue integrity?
What type of junction connects the cytoskeleton of neighboring cells, providing strong adhesion between them?
What type of junction connects the cytoskeleton of neighboring cells, providing strong adhesion between them?
Which junction forms a seal around the cell to prevent molecules from passing between cells?
Which junction forms a seal around the cell to prevent molecules from passing between cells?
What type of junction allows for the direct passage of ions and small molecules from one cell to another?
What type of junction allows for the direct passage of ions and small molecules from one cell to another?
Which junction anchors epithelial cells to the basement membrane?
Which junction anchors epithelial cells to the basement membrane?
What type of junction is responsible for connecting actin filaments between adjacent cells?
What type of junction is responsible for connecting actin filaments between adjacent cells?
When considering cell-cell communication, which junction is involved in signaling pathways between cells?
When considering cell-cell communication, which junction is involved in signaling pathways between cells?
Which type of junction consists of cadherin proteins binding adjacent cells together?
Which type of junction consists of cadherin proteins binding adjacent cells together?
In terms of structural support, which type of junction provides a spot weld-like connection between cells?
In terms of structural support, which type of junction provides a spot weld-like connection between cells?
What proteins are involved in the adherens junction?
What proteins are involved in the adherens junction?
What is responsible for locking cadherin to the microfilament in the cell cytoplasm in an adherens junction?
What is responsible for locking cadherin to the microfilament in the cell cytoplasm in an adherens junction?
Where are desmosomes typically found?
Where are desmosomes typically found?
What do gap junctions allow to pass through them?
What do gap junctions allow to pass through them?
Which protein spans the gap between cell walls and binds to desmoplakin in a desmosome junction?
Which protein spans the gap between cell walls and binds to desmoplakin in a desmosome junction?
What is the main function of tight junctions?
What is the main function of tight junctions?
