Question

20 multiple choice 1 point your colon is designed to keep the partly digested food and symbiotic bacteria from leaking into the bloodstream. which junction would you expect to carry out this function? plasmodesmata gap junction desmosome tight junction

Explanation:

Tight junctions form a continuous seal between cells, preventing the passage of substances between them. They are crucial in maintaining barriers like the one in the colon to stop partly - digested food and bacteria from entering the bloodstream. Plasmodesmata are plant cell connections, gap junctions allow for communication between cells, and desmosomes provide strong cell - to - cell adhesion but not a tight seal for preventing leakage like tight junctions do.

Answer:

D. Tight junction