Diffusion And Osmosis Flashcards
1
Q
Diffusion
A
Movement of substances from an area of high concentration to an area of low concentration
2
Q
Direct passive diffusion
A
- doesnt need help
- didnt need energy
- tiny nonpolar like O2 and CO2 freely pass
3
Q
Facilitated passive diffusion
A
Need help to get through, like H20
4
Q
Active transport
A
Cells can pump/transport against natural diffusional gradient
-requires energy (ATP) and transport proteins
5
Q
Osmosis
A
The diffusion of water molecules across cell membrane
6
Q
Chemiosmosis
A
Water moving across
