Which of the Following Statements About the Proximal Convoluted Tubule

Which of the following statements about the proximal convoluted tubule of the mammalian kidney is NOT true?

A) It is impermeable to water.
B) It has thick walls with microvilli.
C) It is the first section of the renal tubule that filtrate encounters after passing into Bowman's space.
D) It reabsorbs glucose and amino acids filtered by the glomerulus.
E) The epithelial cells of the proximal convoluted tubule have abundant mitochondria to supply the energy for active reabsorption of solutes.