Question

multiple choice question what type of extracellular junction forms when adjacent plasma membrane channels join? adhesion junction gap junction tight junction

Explanation:

Gap junctions are formed when adjacent plasma - membrane channels (connexons) join, allowing for the passage of small molecules between cells. Adhesion junctions mainly function in cell - cell adhesion and tissue integrity. Tight junctions seal cells together to prevent the passage of substances between them.

Answer:

B. Gap junction