Ch 1 Cell Attachments/Junctions Flashcards
1
Q
What is the function of a gap junction?
A
It’s used for cellular communication.
2
Q
What are adhering junctions?
A
Junctions that hold cells tightly together.
3
Q
What are the characteristics of a tight junction?
A
Formed by proteins but solid.
Protein from one cell connects to the protein of another cell.
Holds membrane close, nothing can go between cells.
4
Q
What are the characteristics of an adhesion belt?
A
Goes all around cell and connects it to neighbors
Proteins stick out from cell
CAM(cell adhesion molecules)/linker proteins
5
Q
What is a desmosome?
A
Same basic structure as adhesion belt
Has spots of connections
6
Q
What is a gap junction?
A
A junction between cells close together with a small tunnel connecting them.
