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Diffusion
the net movement of particles from a region of their higher concentration to a region of their lower concentration down a concentration gradient
Factors that influence diffusion
surface area, temperature, concentration gradients, diffusion distance
Osmosis
net movement of water molecules from a higher water potential (dilute) to a region of lower water potential (concentrated) through a partially permeable membrane
Turgid
cells are swollen due to a high water content
Turgor pressure
pressure on the cell wall from the cell membrane pushing upon it, this is a result of the cell becoming turgid as water moves into the cell
Flaccid
when water moves out of the cell via osmosis, cell shrinks but the cell membrane does not peel away from the cell wall
Plasmolysis
occurs when there is too little water in cells
