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3.4 Vocab

TermDefinition
Passive Transport movement of molecules across the cell membrane without energy input from the cell
Diffusion movement of dissolved molecules in a fluid or gas from a region of higher concentration to to a region of lower concentration
Concentration Gradient difference in the concentration of a substance from one location to another
Osmosis diffusion water molecules across a semipermeable membrane from an area of higher water concentration
Isotonic solution that has an equal concentration of dissolved particles compared with another solution
Hypertonic solution that has a higher concentration of dissolved particles compared with another solution
Hypotonic solution that has a lower concentration of dissolved particles compared with another solution
Facilitated Diffusion diffusion of molecules assisted by protein channels that pierce a cell membrane
Created by: stuckeya24
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