Certain epithelial cells have a decided polarity where the membrane faces the lumen of a
Hollow tube, whereas the
A) apical : basolateral
B) apical : basement
C) upper : lower membrane faces the extracellular fluid.
D) positively charged : negatively charged
E) luminal : extracellular

Question

Quizplus · Accepted Answer

The correct answer is A) apical : basolateral. In epithelial cells, the apical surface faces the lumen or outside of the organ, while the basolateral surface faces the underlying connective tissue and is involved in cell-to-cell adhesion and communication.

Certain Epithelial Cells Have a Decided Polarity Where the Membrane