Tight Junctions

Multiple Choice

Tight junctions

A) Hold cells tightly together so that they cannot readily be pulled apart
B) Form barriers that regulate the passage of materials across epithelial membranes
C) Are commonly found in smooth muscle
D) Both hold cells tightly together so that they cannot readily be pulled apart and form barriers that regulate the passage of materials across epithelial membranes are correct
E) Both form barriers that regulate the passage of materials across epithelial membranes and are commonly found in smooth muscle are correct