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In what way are facilitated diffusion and active transport similar? Q1. Both occur in only one direction. Q2. Both move materials up a concentration gradient. Q3. Both require ATP. Q4. Both involve proteins in the cell membrane.

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SandwichMakerr
Active transport is the movement of materials against a concentration difference; requires energy

Facilitated diffusion is when molecules pass across the membrane through the cell membrane channels.

So it would be Q4. Both involve proteins in the cell membrane

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