diffusion Flashcards
1
Q
What is diffusion?
A
Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration
2
Q
What is osmosis?
A
Osmosis is the diffusion of water molecules, from a region where the water molecules are in higher concentration, to a region where they are in lower concentration, through a partially permeable membrane.
3
Q
What is active transport?
A
active transport is the movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration—against the concentration gradient.
