 | Term | Definition |
| |
diffusion |
a process by which molecules tend to move from an area of high to low concentration |
| |
osmosis |
diffusion of water through a selectively permeable membrane |
| |
facilitated diffusion |
movement of specific molecules across cell membranes through protein channels |
| |
isotonic |
when the concentration of two solutions is the same |
| |
hypertonic |
when compairing two solutions, the solution with the greater concentration of solutes |
| |
hypotonic |
when compairing two solutions, the solution with the lesser concentration of solutes |
| |
active transport |
energy requiring process that moves material across a cell membrane against a concentration difference |
| |
endocytosis |
process by which a cell takes material into the cell by infolding of the cell membrane |
| |
phagocytosis |
process in which extensions of cytoplasm surround and engulf large particles and take them into the cell |
| |
pinocytosis |
process by which a cell takes in liquid from the surrounding environment |
| |
exocytosis |
process by which a cell releases large amounts of material |
