Difference between osmosis and diffusion
Osmosis occurs through a semipermeable membrane
Net movement in osmosis is from areas of higher concentration to areas of lower concentration
Osmosis requires facilitation by an energy carrying molecule, such as ATP. Diffusion requires no additional energy to move molecules across the concentration gradient.
Osmosis is used for gases, such as oxygen and carbon dioxide. Diffusion is used for water that contains salt or sugar molecules.
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