Question

multiple choice question which intercellular junction is indicated by the letter a? desmosome tight junction gap junction need help? review these concept resources. read about the concept

Explanation:

Tight junctions are characterized by a close - fitting, zipper - like structure that prevents the passage of substances between cells. The structure indicated by A has this appearance. Desmosomes are like "spot welds" that hold cells together, and gap junctions are channels for cell - to - cell communication.

Answer:

Tight junction