Movement of molecules in cells
molecule size
concentration
molecules of. . .
large
energy
. .
high to low
Small
Osmosis
diffusion
Active transport
low to high
Active transport
Diffusion
osmosis
none
energy required
Active transport
osmosis
diffusion
water
oxygen
carbon dioxide
glucose
sodium
waste
Active transport
diffusion
diffusion
osmosis
diffusion
active transport
Example
