Card 10 / 22: What do osmosis, diffusion, filtration, and the movement of ions away from like charge all have in common? In what way do they differ?
Answer:
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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