Which of the following is correct for 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 specialized cell junctions that form a barrier between cells and prevent the passage of materials between epithelial cells. They are commonly found in epithelial tissues lining organs, such as the digestive tract, bladder, and blood vessels. Tight junctions help maintain the integrity of the tissue and prevent diffusion of materials between cells. Therefore, choice A is correct. Choices B, C, and D are incorrect.

Which of the Following Is Correct for Tight Junctions