Based on These Four Illustrations of Diffusion, Which Mode Would

question 19

Multiple Choice

Based on these four illustrations of diffusion, which mode would most likely be used to transport oxidized zinc (which has a charge of +2) through the cell membrane?

• A) Osmosis through aquaporins
• B) Simple diffusion through the bilayer
• C) Facilitated diffusion through channel proteins
• D) Facilitated diffusion through carrier proteins

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