Archaebactéries Flashcards

1
Q

Types de reproduction (3)

A

Fission, bourgeonnement, fragmentation d’hyphes

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2
Q

Habitats

A

Environnement aquatique + terrestre, à Température et [sel] extrême

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3
Q

Composition paroi cellulaire

A

Pseudomeuréine

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4
Q

Paroi Gram+ (2)

A

Épaisse + uniforme

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5
Q

Paroi Gram- (2)

A

Aucune membrane externe, couche S attaché à paroi + membrane cyto et couche protéines

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6
Q

Particularité paroi

A

Certaines espèces n’en ont pas

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7
Q

Composition membrane cytoplasmique (3)

A

Lipides + alcool, Caldarchaeol

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8
Q

Types membrane cytoplasmique

A

monocouche

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9
Q

Utilité caldarchaeol

A

indicateur pitoplancton

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10
Q

Nombre chromosome

A

1

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11
Q

Taille

A

plus petit que eubactéries

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12
Q

G+C%

A

21 à 68%

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13
Q

Fonctions des gènes (1)

A

Inconnues, pas comme eubactéries

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14
Q

Présence de plasmides ou non

A

Oui

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15
Q

Mécanisme d’échange d’information génétique

A

Inconnue

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16
Q

Types de ribosome

A

70S abios, comme eubactéries et eucaryotes

17
Q

Types de ribosome = quel mécanisme

A

Traduction, comme eucaryotes

18
Q

Sensible à (1)

A

anisomycine

19
Q

Résistant à (2)

A

Kanamycine, Chloramphénicol

20
Q

Transcription + réplication

A

Comme eucaryotes

21
Q

Taxonomie (2)

A

Crenarehaeota + Euryarchaeota