In humans, the transport epithelial cells in the ascending loop ...

[j_sun]

In humans, the transport epithelial cells in the ascending loop of Henle
A) are the largest epithelial cells in the body.
B) are not in contact with interstitial fluid.
C) have plasma membranes of low permeability to water.
D) have 50% of their cell mass made of smooth endoplasmic reticulum.
E) are not affected by high levels of nitrogenous wastes.

[sammy]

I remember it was C

[j_sun]

Thanks dude! Marking this solved.