Cystic fibrosis is a genetic disease in humans in which the CFTR protein, which functions as a chloride ion channel, is missing or nonfunctional in cell membranes.
-The CFTR protein belongs to what category of membrane proteins?
A) gap junctions
B) aquaporins
C) electrogenic ion pumps
D) cotransporters
E) hydrophilic channels

Question

Quizplus · Accepted Answer

The CFTR protein functions as a chloride ion channel, which makes it an electrogenic ion pump.

Answer: E
 The CFTR protein functions as a chloride ion channel, which means it belongs to the category of hydrophilic channels.

Cystic Fibrosis Is a Genetic Disease in Humans in Which