Which of the Following Statements About Epithelial Cells and Epithelial

Multiple Choice

Which of the following statements about epithelial cells and epithelial transport is correct?

A) Epithelial cells are polarized
B) Epithelial cells lining the small intestine have Na, K-ATPase pumps only in their basolateral membranes
C) The "active" component of active transport across epithelial cells occurs only from the lumen side into the cells
D) Both epithelial cells are polarized and epithelial cells lining the small intestine have Na, K-ATPase pumps only in their basolateral membranes are correct
E) Both epithelial cells are polarized and the "active" component of active transport across epithelial cells occurs only from the lumen side into the cells are correct