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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
  • 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

  • Active Transport

    Cell transport that uses energy in the form of ATP