Cell Transport Vocab

Front

Organelle that controls entry/exit of substances:

Back

Cell membrane

Front

Transport that requires energy.

Back

Active

Front

Transport that moves down a concentration gradient without energy.

Back

Passive

Front

Difference in concentration across a space:

Back

Concentration gradient

Front

Movement of water molecules across a membrane?

Back

Osmosis

Front

Movement of molecules/ions from high to low concentration

Back

diffusion

Front

Concentration of molecules is higher outside the cell.

Back

hypertonic

Front

Concentration of molecules is equal inside & outside the cell.

Back

isotonic

Front

Process using carrier proteins for larger hydrophilic materials

Back

Facilitated diffusion

Front

Movement of large particles out of the cell

Back

exocytosis