Question

question 18
*which of the following cell junctions is responsible for forming a water - tight seal between adjacent epithelial cells?
tight junction
desmosome
hemidesmosome
gap junction

Explanation:

Tight junctions are specialized cell - cell junctions in epithelial tissues. They form a continuous seal around cells, preventing the passage of water and solutes between adjacent cells. Desmosomes are mainly for cell - cell adhesion, providing mechanical strength. Hemidesmosomes attach cells to the basement membrane. Gap junctions allow for communication between cells by enabling the passage of small molecules.

Answer:

Tight junction