biocell > MEC général > Flashcards

MEC général Flashcards

(9 cards)

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1
Q

cellules avec MEC

A

bactéries/végérales/animale/archées

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2
Q

MEC déf

A

matrice extracellulaire
sécrétées par cellules
apport structurel/biochimique

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3
Q

composition

A

liquide
gel
fibres
(pas paroi)

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4
Q

où +

A

tissu conjonctif

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5
Q

liquide

A

dialysat de plasma

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6
Q

gel

A

glycosaminoglycanes (GAG)

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7
Q

MEC bactérie

A

peptidoglycane
- disaccharides aminés + tétrapeptides
relié avec lien peptidique ou pont interpeptidique
NAG et NAM

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8
Q

gram +

A

paroi épaisse de peptidoglycane

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9
Q

gram -

A

petite paroi de peptidoglycane avec membrane externe (porines et LPS) et périplasme entre membrane cell

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