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Card 15 / 47:
What do osmosis, diffusion, filtration, and the movement of ions away from like charge all have in common? In what way do they differ?
These four phenomena are similar in the sense that they describe the movement of substances down a particular type of gradient. Osmosis and diffusion involve the movement of water and other substances down their concentration gradients, respectively. Filtration describes the movement of particles down a pressure gradient, and the movement of ions away from like charge describes their movement down their electrical gradient.
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