Which of the following is true for the kidney?
A. Aquaporin1 (AQP1) channels are located in both luminal and basolateral membranes of epithelial cells in the descending limb of the Loop of Henle.
B. Sodium-potassium-2chloride (Na-K-2Cl) co-transporter molecules are located in basolateral membranes of epithelial cells in the ascending limb of the Loop of Henle.
C. Sodium-potassium pump molecules are located in the luminal membranes of epithelial cells in the ascending limb of the Loop of Henle.