Which of the following describes tight junctions
A)They prevent passage of materials between epithelial cells.
B)They force materials to pass between cells.
C)They are commonly found in respiratory tract linings.
D)They serve as avenues for the transfer of small molecules from one cell to the next.

Question

Quizplus · Accepted Answer

Tight junctions are structures that form a barrier between epithelial cells, preventing the passage of materials between them. They are commonly found in tissues like the intestinal lining, where they prevent unwanted substances from passing into the bloodstream.

Which of the Following Describes Tight Junctions