archaeon http://id.loc.gov/authorities/subjects/sh86006229 http://purl.bioontology.org/ontology/MESH/D001105 http://purl.bioontology.org/ontology/SNOMEDCT/419036000 http://purl.obolibrary.org/obo/NCBITaxon_2157 http://purl.obolibrary.org/obo/NCIT_C61092 https://en.wikipedia.org/wiki/Archaea https://en.wikipedia.org/wiki/Category:Archaea https://eol.org/pages/7920 https://species.wikimedia.org/wiki/Archaea https://www.wikidata.org/wiki/Q10872 Archaebacteria QR82.A69 Single-celled organisms lacking nuclei, similar to prokaryotes in most aspects of cell structure and metabolism. However, their genetic transcription and translation do not show the typical bacterial features, but are extremely similar to those of eukaryotes. archaea archaean prokaryote