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Whitepunk [10]
3 years ago
9

Always involves channel proteins

Biology
1 answer:
Irina18 [472]3 years ago
8 0
Even though facilitated diffusion involves transport proteins, it is still passive transport because the solute is moving down the concentration gradient. ... A channel protein, a type of transport protein, acts like a pore in the membrane that lets water molecules or small ions through quickly.
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