What Is the Functional Significance of Gap Junctions

Multiple Choice

What is the functional significance of gap junctions?

A) They form a barrier that isolates the basolateral surfaces from deeper tissues.
B) They attach the deepest epithelial cells to the basement membrane.
C) They provide firm attachments between neighboring cells.
D) They strengthen the apical region and prevent leakage.
E) They permit chemical communication (diffusion of ions and small molecules) that coordinates the activities of adjacent cells.