Cell Transport Vocab

Front

Materials move from high to low concentration.

Back

Diffusion

Front

Movement of materials across a membrane without energy

Back

passive transport

Front

Movement of materials across a membrane requiring energy.

Back

Active transport

Front

Diffusion of water across a membrane

Back

Osmosis

Front

Passive transport aiding molecules across a membrane

Back

Facilitated diffusion

Front

Cell surrounds substance using vesicles (energy required)

Back

Endocytosis

Front

Vesicle in a cell fuses with the membrane to release contents outside.

Back

exocytosiis

Front

Channel in cell membrane for material passage

Back

carrier protein

Front

Concentration of particles is uniform in a space.

Back

Equilibrium

Front

Organisms maintain stable internal conditions despite environmental changes.

Back

homeostasis