Which of these statements describes some aspect of facilitated diffusion?

• A. Facilitated diffusion is another name for osmosis.
• B. Facilitated diffusion of solutes occurs through phospholipid pores in the membrane.
• C. Facilitated diffusion requires energy to drive a concentration gradient.
• D. There is only one kind of protein pore for facilitated diffusion.
• E. Facilitated diffusion of solutes may occur through channel or transport proteins in the membrane.