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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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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
User Harsha Basnayake
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