cell transport intro prefixes

Front

Hydrophilic

Back

attracted to water

Front

2 layers of phospholipids in a cell membrane make a

Back

bilayer

Front

Semi-permeable

Back

some material can enter but not all

Front

Solvent

Back

Part of a solution which dissolves another substance

Front

Osmosis

Back

movement of water from high to low concentration without energy

Front

Diffusion

Back

movement of particles from an area of high concentration to an area of low concentration

Front

Concentration gradient

Back

the difference in concentration of a substance between two areas

Front

Active transport

Back

movement of substances against their concentration gradient using energy

Front

Passive transport

Back

movement of substances across a cell membrane without the use of energy

Front

Facilitated diffusion

Back

process of passive transport aided by proteins in the cell membrane