Cell Junctions

Question 1

Desmosomes

Answer 1

protein attachments between adjacent cells. Hold together tissues that undergo considerable stress (skin and heart muscle).

Question 2

tight junctions

Answer 2

tightly stitched seams between cells. Completely encircles each cell, preventing the movement of material between the cell.

Question 3

gap junctions

Answer 3

narrow tunnels between cells that consist of proteins called connexons. Proteins only allow ions and small molecules to pass through.