Bactéries Flashcards

0
Q

Caractérisques bacteries gram +?

A

Couche epaisse de peptidoglycan (glycoprotéine) entourant mince bicouche de phospholipides
Paroi contient acide lipotéichoique

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1
Q

3 caractéristiques de classification bacteries?

A

Forme
Métabolisme
Paroi (gram)

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2
Q

Caractéristiques bacteries gram - ?

A

Bicouche phospholipides puis mince couche peptidoglycan puis bicouche phospholipides (contient lippopolysaccharides LPS. Contient porines pour echanges avec milieu ext)

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3
Q

Formes bacteries ?

A

Cocci (simples, chaines, amas, bicoccis)
Bacilles
Spiralées

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4
Q

Rôles peptidoglycan?

A

Protection contre agents nocifs de l’environnement
(Gram+ plus resistant que gram-)
Contient le colorant (gram)

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5
Q

Coloration de gram colorent bacteries…?

A

Echantillon clinique
Bouillon bacterien
Colonie de gelose

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