Cellular Interactions with the Environment Flashcards
1
Q
active transport
A
the use of energy by the cell to move substances from an area of low concentration to an area of high concentration
2
Q
concentration
A
the amount of a substance within a volume of another substance
3
Q
diffusion
A
the movement of molecules from an area of high concentration to an area of low concentration
4
Q
osmosis
A
the diffusion of water across a selectively permeable membrane
5
Q
passive transport
A
the movement of substances across a cell membrane from an area of high concentration to an area of low concentration without using energy
6
Q
permeable
A
allowing substances to pass through
