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Le transfert passif (osmose) vs. Le transfert actif

Le transfert passif (osmose) vs. Le transfert actif. L ’ osmose. Forme de transfert passif car aucune énergie est nécessaire Transporte les particules les plus simples à travers la membrane cellulaire. Ex: eau. Transfert actif .

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Le transfert passif (osmose) vs. Le transfert actif

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  1. Le transfert passif (osmose) vs. Le transfert actif

  2. L’osmose • Forme de transfert passif car aucune énergie est nécessaire • Transporte les particules les plus simples à travers la membrane cellulaire. Ex: eau

  3. Transfert actif • Transport à travers la membrane effectué par des protéines et nécessitant une dépense d’énergie de la cellule

  4. Diffusion Énergie utilisée pour transfert actif Protéine porteuse Transfert actif

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