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Facilitated Diffusion/Difusión Facilitada

Facilitated Diffusion/Difusión Facilitada

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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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Tutorial

En esta lección vamos a hablar sobre el proceso de difusión facilitada, y también sobre las otras maneras en que los solutos pueden atravesar las membranas celulares.

Overview

(0:00-1:22) Facilitated Diffusion

(1:23-3:37) Active Transport

(3:38-5:41) Endocytosis and Exocytosis

 

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