Tight Junctions Are Cell-Cell Junctions Found Between Adjacent Cells of the Epithelium

Multiple Choice

Tight junctions are cell-cell junctions found between adjacent cells of the epithelium that lines the small intestine.What is the function of these cellular junctions?

A) to attach epithelial cells to a basement membrane
B) to seal the epithelium and prevent movement of substances between cells
C) to recognize pathogenic organisms present in the lumen of the small intestine
D) to release digestive enzymes into the intestinal lumen