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Diffusion
The net movement of particles from a region of their higher concentration to a region of their lower concentration gradient, as a result of their random movement
Osmosis
The net movement of water molecules from a region of higher water potential (dilute solution) to a region of lower water potential (concentrated solution), through a partially permeable membrane
Active Transport
The movement of particles through a cell membrane from a region of lower concentration to a region of higher concentration using energy from respiration
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