Movement in and out of cells Flashcards
(3 cards)
1
Q
What is diffusion
A
Movement of molecules from a area of high concentration to low concentration
2
Q
What is osmosis
A
Diffusion of water from a area with low concentration of water to a high concentration of water, through a semi-permeable membrane
3
Q
What is active transport
A
Movement of substances in and out of cells by diffusion