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13 Cards in this Set

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the relative concentration of solute (and also solvent) outside the cell compared to inside the cell
tonicity
there are 3 types
the same concentration of solute (and therefore water) as the cell.
isotonic solution
in this solution there no net movement of water
has a higher solute (therefore, lower water) concentration than the cell
hypertonic solution
in this solution water moves out of the cell into the solution
has a lower soluter concentration (therefore higher water) than the cell
hypotonic solution
in this solution water moves from the solution into the cell
the pressure exerted when a plant cell is in a hypotonic solution and the large central vaculoe gains water
turgor pressure
when plant cells are in a hypertonic solution, the central vacuole loses water, and the cytoplasm, including the chloroplasts, pulls away from the cell wall
plasmolysis
small membranous bodies, each with a specific function and structure
organelles
only eukaryotic cells have these
material bounded by a plasma membrane and cell wall
cytoplasm
polar molecules
molecules with charged groups or atoms
nonpolar molecules
molecules with no charged groups or atoms
causes fat to disperse in water and has molecules with both polar and non polar ends
emulsifiers
emulsifiers found in bile produced by the liver
bile salts
used in the digestive tract
smallest unit of life
cell