the movement of particles from an area of high concentration to an area of low concentration* doesnt require energy

diffusion of water across a cell membrane

diffusion of particles through proteins in the cell membrane from areas where concentration of particles is high to where concentration of particles is low

movement of particles through proteins in a cell membrane AGAINST diffusion * requires energy

passing of particles from outside a cell inside a cell

passing of particles from inside a cell to outside a cell

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Science

Question	Answer
Diffusion	the movement of particles from an area of high concentration to an area of low concentration* doesnt require energy
Osmosis	diffusion of water across a cell membrane
Passive Transport	diffusion of particles through proteins in the cell membrane from areas where concentration of particles is high to where concentration of particles is low
Active Transport	movement of particles through proteins in a cell membrane AGAINST diffusion * requires energy
Endocytosis	passing of particles from outside a cell inside a cell
Exocytosis	passing of particles from inside a cell to outside a cell