The type of cell connection that serves as a permeability barrier is a
A)desmosome.
B)tight junction.
C)hemidesmosome.
D)gap junction.
E)intercalated disc.

Question

Quizplus · Accepted Answer

Tight junctions serve as a permeability barrier by sealing the space between adjacent cells and preventing the free movement of molecules between them. Desmosomes, hemidesmosomes, gap junctions, and intercalated discs do not serve as a permeability barrier.

The Type of Cell Connection That Serves as a Permeability