In the Microporous Model of a Membrane, Solutes Diffuse Across

Multiple Choice

In the microporous model of a membrane, solutes diffuse across the membrane by

A) Dissolving in the lipid and diffusing across the lipid phase
B) Diffusing through water-filled channels, or pores
C) Being bound to carriers that diffuse across the mem brane
D) Obtaining enough energy through splitting of ATP
E) Riding down the electrochemical gradient of Na⁺