diffusion

?
diffusion is..
the spreading out of particles from an area of high concentration to an area of low concentration
1 of 5
diffusion happens in..
liquids and gases
2 of 5
this is because...
the individual particles are free to move around randomly.
3 of 5
what can very small molecules do?
diffuse through cell membranes (e.g. sugars, water, ions)
4 of 5
big molecules can't???
pass through the membrane (e.g. starch and proteins)
5 of 5

Other cards in this set

Card 2

Front

diffusion happens in..

Back

liquids and gases

Card 3

Front

this is because...

Back

Preview of the front of card 3

Card 4

Front

what can very small molecules do?

Back

Preview of the front of card 4

Card 5

Front

big molecules can't???

Back

Preview of the front of card 5

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all diffusion resources »