Chapter 5 Section 1 Word Scramble
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Term | Definition |
passive transport | substances crossing the cell membrane without any input of energy by the cell |
diffusion | movement of molecules from an area of higher concentration to an area of lower concentration |
concentration gradient | the difference in the concentration of molecules across a distance |
equilibrium | the concentration of molecules is the same throughout the space the molecules occupy |
osmosis | the process where WATER molecules diffuse from an area of higher concentration to an area of lower concentration |
hypotonic | describes a solution whose solute concentration is lower than the solute concentration inside the cell |
hypertonic | describes a solute whose solute concentration is higher than the solute concentration inside the cell |
isotonic | describes a solution whose solute concentration is equal to the solute concentration inside the cell |
contractile vacuole | organelles that remove water |
turgor pressure | the pressure that water molecules exert against the cell wall |
plasmolysis | the process in which the cells shrink away from the cell walls, ad turgor pressure is lost |
cytolysis | the bursting of cells |
facilitated diffusion | the transport of substances through a cell membrane along a concentration gradient with the aid of carrier proteins |
carrier protein | proteins that assist in the movement of molecules across the cell membrane |
ion channel | a complex of protein molecules in a cell membrane that form a pore through which ions can pass |
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