Membrane Et Transport Flashcards

1
Q

Pilus

A

Petit élément
Protéique fibreux avec 1 polypeptide

L’adhésine permet la fixation de la bactérie aux parois

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2
Q

Capsule

A

Inconstant
Composée de polysaccharide
Un induit sécrété par les bactéries

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3
Q

Plasmide

A

MG
Extra cellulaire
Resistance antibiotic

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4
Q

ARN16S

A

Amyloside

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5
Q

ARN23S

A

Macrolide

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6
Q

Glycocalyx

A

Présent chez eucaryote et proc
Feutrage des polysaccharides qui entoure la bactérie
++ adherence avec cellules

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7
Q

SEM

A

Absent chez bactérie

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8
Q

Colorant lugol

A

Intensifie la coloration au violet de gentiane

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9
Q

Lavage à l’alcool

A

Décolore les GRAM- car détruit membrane externe —-> sortie du colorant

Pas les GRAM+

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10
Q

Fushine

A

GRAM- en rose car paroi moins épaisse hétérogène et irrégulière

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11
Q

Paroi des GRAM+

A

Pas de mb externe

Paroi épaisse et homogène riche en peptidoglycanes

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12
Q

Rondes ou cocci

A

Staphylococcus aureus

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13
Q

Bâtonnets ou bacillus

A

Escherichia coli

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14
Q

Que permet la pompe Na+/K+

A

Revenir à -70mV

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