The movement of molecules from an area of high concentration to an area of lower concentration is called

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Diffusion is the movement of molecules from an area of high concentration to an area of lower concentration. Facilitated diffusion is a type of diffusion that requires the assistance of transport proteins, active transport involves the movement of molecules against a concentration gradient (from low to high concentration), osmosis involves the movement of water molecules across a semi-permeable membrane, and endocytosis is a process by which cells engulf external materials and bring them into the cell.

The Movement of Molecules from an Area of High Concentration