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2006-11-06 09:37:21 · 5 réponses · demandé par jesselove91 1 dans Sciences et mathématiques Biologie

5 réponses

Hi!
Is it that you got lost on the French Yahoo? Ou bien tu comprends le français? Si oui, voici les liens que tu cherches:

Pour les Archéobactéries ou Archea:
http://fr.wikipedia.org/wiki/Arch%C3%A9es

Pour les Eubactéries (Eubacteria):
http://fr.wikipedia.org/wiki/Eubact%C3%A9rie

Je suis allée voir tes questions et j'ai senti que les deux liens ne te feraient pas de mal!

Hopefully you understand French!

Bonne recherche!

2006-11-06 11:05:42 · answer #1 · answered by marie J 6 · 0 0

faudrait poser autres chhoses comme question.
tu veux la définition, les différencesqu'elle ont avec les autres bactérie, les espèces qu'elles ont?

2006-11-08 05:26:41 · answer #2 · answered by Jack Daniels 2 7 · 0 0

Archaebacteria

diverse group of bacteria (prokaryotes), sometimes called the archaea and considered a major group unto themselves. Archaebacteria are contrasted with the Eubacteria, from which they differ biochemically in the arrangement of the bases in their ribosomal RNA and in the composition of their plasma membranes and cell walls. There are three major known groups of Archaebacteria: methanogens, halophiles, and thermophiles. The methanogens are anaerobic bacteria that produce methane. They are found in sewage treatment plants, bogs, and the intestinal tracts of ruminants. Ancient methanogens are the source of natural gas. Halophiles are bacteria that thrive in high salt concentrations such as those found in salt lakes or pools of sea water. Thermophiles are the heat-loving bacteria found near hydrothermal vents and hot springs. Many thermophiles are chemosynthetic (see chemosynthesis), using dissolved sulfur or other elements as their energy source and iron as a means of respiration. Archaebacteria emerged at least 3.5 billion years ago and live in environments that resemble conditions existing when the earth was young.

2006-11-07 16:18:45 · answer #3 · answered by dawicca 3 · 0 0

ptain jai regardé toutes tes questions posées et je vois que ca vole pas haut

2006-11-06 17:45:51 · answer #4 · answered by - - 4 · 0 0

voir google

2006-11-06 18:14:17 · answer #5 · answered by geli 4 · 0 2

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