Bacterie Flashcards

1
Q

2 types de cellules

A

Procaryotes (bactérie)

Eucaryote (parasite\protiste)

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2
Q

Est-ce que les virus et le prions sont former de cellules

A

Non considérer comme non vivant (acelulaire)

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3
Q

2 types de microorganisms

A

Cellules

Acellulaire

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4
Q

Procaryote composer de (2)

A

Archeobacteries (milieu extreme)

Bactéries

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5
Q

Eucaryote 3 types

A

Mycete (levure\moisissure)
Protiste (protozoaire)
Animaux (arthropode\helminthes)

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6
Q

2 type d’helminthes

A

Nematode

Palthelminthes

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7
Q

Procaryote d’écrire la cellule (6)

A
1 a 10 um
Pas de noyaux
Pas d’organiste membraneux 
ADN un chromosome circulaire 
Paroi = peptidoglycane 
Division = scissiparite (rapide)
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8
Q

Eucaryote d’écrire la cellule (6)

A
10 a 100 um
Noyau
Organisme membraneux 
ADN chromosome linaires 
Plus par sans paroi
Division = mitose
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9
Q

Bactérie définition

A

Microorganisme unicellulaire procaryote

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10
Q

Taille des bactéries

A

1000 um = 1 mm

Plus petit que les procaryotes mais plus grand que virus

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11
Q

4 forme de bactéries

A

Coque (ronde)
Bacilles (bâtonnet)
Cocobacille (court bâtonnet)
Vibrions (spirale)

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12
Q

Arrangement des bactéries (6)

A
Isolé 
Diplo 
Strepto (chaîne)
Tétrade 
Sarcine (8)
Staphylo (grappe)
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13
Q

Anatomie des bactéries : structure obligatoire

A

Membrane plasmique (transport nutriment)
Paroi cellulaire (petidoglycane\polypeptide) (protege pression osmotique\ Gram+-)
Cytoplasme
Ribosome (fabrique protéine)
Chromosome bactérien (information génétique ADN double brin)

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14
Q

Anatomie des bactéries : facultative (7)

A

Flagelle (déplacement)
Fimbriae (fixer sur des surfaces)
Filament axiaux (déplacement)
Capsule (adhere a des surfaces\protege contre le phagocytos)
Plasmide (résistance au antibiotique)
Poilus sexuel (échange matériel génétique)
Endospores (resister condition difficile\tres volatile)

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15
Q

Difference Gram+ Gram -

A

Gram + : plusieurs couche de peptidoglycane + acide teichoique

Gram - : moins de couche de peptidoglycane\membrane qui entoure le peptidoglycane (phospholipide\lipopolysaccharides)

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