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Facilitated Diffusion

Facilitated Diffusion


This lesson will describe how transport proteins in the cell membrane allow solutes to cross the cell membrane without the use of ATP.

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Terms to Know
Active Transport

Cell transport that uses energy in the form of ATP

Facilitated Diffusion

Diffusion that uses transport proteins proteins to move molecules across a membrane

Passive Transport

A form of cell transport that does not require energy in the form of ATP

Transport Proteins

Proteins in the cell membrane that move molecules across the membrane from low to high concentration by using energy in the form of ATP