Difference between revisions of "Archaea"
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Latest revision as of 14:51, 4 May 2013
Archaea is one of the three domains of life (the other two being bacteria and eukarya). Together with bacteria, it is one of the two prokaryotic domains of life; meaning that they lack discrete membrane-bound organelles. It was established as a separate domain from bacteria after biochemical and genetic studies revealed that archaeans formed a genetically distinct group with distinctive biochemistry (notably in the lipid composition of their cell membranes) and metabolic pathways.