Which Statement About the Rate of Diffusion Through a Lipid

Multiple Choice

Which statement about the rate of diffusion through a lipid bilayer membrane is incorrect?

A) Smaller substances diffuse faster than larger substances.
B) Lipid-soluble items diffuse faster than water-soluble items.
C) Items diffuse through narrow membranes faster than through thick membranes.
D) The presence of microvilli decreases the rate of diffusion.
E) A greater concentration gradient causes faster diffusion.