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227462
MEMBRANE PLASMIQUE
Description
Mind Map on MEMBRANE PLASMIQUE, created by blixounet on 23/09/2013.
Mind Map by
blixounet
, updated more than 1 year ago
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Created by
blixounet
over 10 years ago
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Resource summary
MEMBRANE PLASMIQUE
RÔLES
1. PROTECTION
BARRIÈRE: Isole milieu EXT.
2. ÉCHANGES W/ MILIEU EXT.
PERMÉABILITÉ SÉLECTIVE: Contrôle entrées et sorties
3. MÉTABOLISME CELLULAIRE
EZYMES RÉCEPTEURS
STRUCTURE CELLULAIRE
1. BICOUCHE PHOSPHOGLYCÉROLIPIDES
2. CHOLESTÉROL
3. PROTÉINES
Transmembranaires
SURFACE EXT.
4. GLUCIDES (POLAIRES) (polysaccharides courts)
Attachés LIPIDES
Attachés PROTÉINES
MOSAIQUE FLUIDE
PGL Bougent tout le temps
Protéines uniformisées ds membrane en mouv.
ÉCHANGES
CELLULE BESOIN ECHANGER W/ MILIEU
ENTRER : Nutriments (glucose + monomères)
SORTIR: Déchets (CO2,etc.)
SORTIR: Sécrétion (sucs digestifs, hormones,etc.)
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