science- CELL PROCESSES Flashcards
1
Q
the movement of molecules from a concentrated area to a less concentrated area
A
diffusion
2
Q
the diffusion of water through a membrane
A
osmosis
3
Q
through protein channels in a membrane
A
active transport
4
Q
the process where a cell reproduces itself identically
A
mitosis
5
Q
moves sodium ions out of the cell and potassium ions are pumped into the cell (example of active transport)
A
sodium-potassium pump
6
Q
special proteins in the membrane
A
transport protein
7
Q
requires energy; its also a form of active transport
A
vesicle transport»_space; docyosis, exocytosis
