During tubular reabsorption in the proximal tubule of the nephron, most solutes are moved across the apical membrane by __________ , and across the basal membrane by __________ .
A) cotransport, cotransport
B) cotransport, facilitated diffusion
C) counter transport, cotransport
D) facilitated diffusion, cotransport
E) primary active transport, cotransport
Answer: B