Nonpolar
Uncharged
Polar
Charger
Phospholipids
Makes up cell membrane
Semi-permeable
Selective of what goes in and out
Concentration gradient
Difference in concentration between 2 spaces
Diffusion
Movement of molecules, usually across a membrane
Osmosis
Diffusion in water
Hypertonic
Hypotonic
Isotonic
Hyper-a lot
Hypo- a little
ISO- same
Tonic-concentration of salts on the outside of the cell
Vesicular transport
Transport with a vesicle
Exocytosis
Endocytosis
Vesicle gets things out
Brings things into cell
Passive transport
Active transport
No energy required (diffusion, osmosis) Needs energy (vesicular transport, ATP)