Cell Membrane and Transport Vocabulary

Front

Passive Transport

Back

The movement of materials through a cell membrane without using energy (high to low concentration)

Front

Active Transport

Back

the movement of materials through a cell membrane using energy (low to high concentration)

Front

Diffusion

Back

passive transport of small and uncharged materials directly through a membrane

Front

Osmosis

Back

passive transport of water through a membrane

Front

Facilitated Diffusion

Back

passive transport of larger or charged molecules through a channel protein

Front

Protein Pump/ATP Pump

Back

cell membrane protein that uses energy (ATP) to move materials across the membrane

Front

Endocytosis

Back

active transport process when the cell surrounds large amounts of materials and creates a vacuole.

Front

Exocytosis

Back

active transport process by which a cell releases large amounts of material

Front

Isotonic

Back

when the concentration inside and outside of the cell is the same

Front

Hypertonic

Back

Having a higher concentration of solute in the solution than in the cell