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⁺

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Quizplus · Accepted Answer

In the microporous model of a membrane, solutes diffuse across the membrane through water-filled channels or pores. This model describes the movement of water-soluble substances that cannot easily diffuse through the lipid bilayer.

In the Microporous Model of a Membrane, Solutes Diffuse Across