{"query": "Archaea — a domain of life", "count": 20, "results": [{"id": "card_tol_domain_archaea", "title": "Archaea — a domain of life", "shelf": "codex", "surface": "secular", "snippet": "Archaea: prokaryotes distinct from bacteria; methanogens, halophiles, thermophiles - Woese's third domain. A primary branch of the tree of life, descended from the last universal common ancestor; the ", "authority_tier": "reference", "source": "the tree of life (molecular phylogenetics; Woese 1990)", "readable": false, "generated": false}, {"id": "card_floor_tree_of_life", "title": "The tree of life — chains from LUCA, homologous genes where domains meet", "shelf": "codex", "surface": "secular", "snippet": "The tree of life as a floor on the one map, the exact parallel of the Indo-European floor. The floor is LUCA, the last universal common ancestor. The trees are the three DOMAINS (Bacteria, Archaea, Eu", "authority_tier": "engine_derived", "source": "Narrow Highway — the tree of life (molecular phylogenetics)", "readable": false, "generated": false}, {"id": "card_gene_atp_synthase", "title": "ATP synthase — a universal gene (a homolog across the domains)", "shelf": "codex", "surface": "secular", "snippet": "ATP synthase: the rotary enzyme that makes ATP from a proton gradient (F-type / A-type / V-type). Found in Bacteria, Archaea, Eukaryota - a homologous gene descended from a single ancestral gene in LU", "authority_tier": "reference", "source": "molecular phylogenetics; universal homologs of LUCA", "readable": false, "generated": false}, {"id": "card_gene_ef_tu", "title": "elongation factor (EF-Tu / EF-1alpha) — a universal gene (a homolog across the domains)", "shelf": "codex", "surface": "secular", "snippet": "elongation factor (EF-Tu / EF-1alpha): delivers each aminoacyl-tRNA to the ribosome during translation. Found in Bacteria, Archaea, Eukaryota - a homologous gene descended from a single ancestral gene", "authority_tier": "reference", "source": "molecular phylogenetics; universal homologs of LUCA", "readable": false, "generated": false}, {"id": "card_gene_ssu_rrna", "title": "small-subunit ribosomal RNA — a universal gene (a homolog across the domains)", "shelf": "codex", "surface": "secular", "snippet": "small-subunit ribosomal RNA: the RNA core of the small ribosomal subunit (16S in prokaryotes, 18S in eukaryotes). Found in Bacteria, Archaea, Eukaryota - a homologous gene descended from a single ance", "authority_tier": "reference", "source": "molecular phylogenetics; universal homologs of LUCA", "readable": false, "generated": false}, {"id": "card_gene_aars", "title": "aminoacyl-tRNA synthetases — a universal gene (a homolog across the domains)", "shelf": "codex", "surface": "secular", "snippet": "aminoacyl-tRNA synthetases: charge each tRNA with its correct amino acid - the enzymes that READ the genetic code. Found in Bacteria, Archaea, Eukaryota - a homologous gene descended from a single anc", "authority_tier": "reference", "source": "molecular phylogenetics; universal homologs of LUCA", "readable": false, "generated": false}, {"id": "card_src_openstax_concepts_biology_12_1_organizing_life_on_earth_cba58651", "title": "12.1 Organizing Life on Earth — Concepts of Biology", "shelf": "biology", "surface": "secular", "snippet": "12.1\n\nOrganizing Life on Earth\n\nLearning ObjectivesBy the end of this section, you will be able to:\n\nDiscuss the need for a comprehensive classification system\n\nList the different levels of the taxono", "authority_tier": "reference", "source": "OpenStax: Concepts of Biology (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_openstax_concepts_biology_chapter_summary_78b60ce1", "title": "Chapter Summary — Concepts of Biology", "shelf": "biology", "surface": "secular", "snippet": "Chapter Summary\n\n13.1\n\nProkaryotic Diversity\n\nProkaryotes existed for billions of years before plants and animals appeared. Microbial mats are thought to represent the earliest forms of life on Earth,", "authority_tier": "reference", "source": "OpenStax: Concepts of Biology (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_openstax_microbiology_appendix_d_taxonomy_of_clinically_releva_c7f8fe6b", "title": "Appendix D Taxonomy of Clinically Relevant Microorganisms — Microbiology", "shelf": "biology", "surface": "secular", "snippet": "Appendix\nD\n\nTaxonomy of Clinically Relevant Microorganisms\n\nBacterial Pathogens\n\nThe following tables list the species, and some higher groups, of pathogenic Eubacteria mentioned in the text. The clas", "authority_tier": "reference", "source": "OpenStax: Microbiology (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_taxon_2157", "title": "Archaea", "shelf": "taxonomy", "surface": "secular", "snippet": "Archaea — a domain. In the tree of life under cellular organisms.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "readable": false, "generated": false}, {"id": "card_src_openstax_concepts_biology_chapter_summary_18d45484", "title": "Chapter Summary — Concepts of Biology", "shelf": "biology", "surface": "secular", "snippet": "Chapter Summary\n\n3.1\n\nHow Cells Are Studied\n\nA cell is the smallest unit of life. Most cells are so small that they cannot be viewed with the naked eye. Therefore, scientists must use microscopes to s", "authority_tier": "reference", "source": "OpenStax: Concepts of Biology (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_openstax_biology_2e_chapter_summary_9fe16a1b", "title": "Chapter Summary — Biology 2e", "shelf": "biology", "surface": "secular", "snippet": "Chapter Summary\n\n4.1\n\nStudying Cells\n\nA cell is the smallest unit of life. Most cells are so tiny that we cannot see them with the naked eye. Therefore, scientists use microscopes to study cells. Elec", "authority_tier": "reference", "source": "OpenStax: Biology 2e (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_openstax_biology_chapter_summary_115c0564", "title": "Chapter Summary — Biology", "shelf": "biology", "surface": "secular", "snippet": "Chapter Summary\n\n4.1\n\nStudying Cells\n\nA cell is the smallest unit of life. Most cells are so tiny that they cannot be seen with the naked eye. Therefore, scientists use microscopes to study cells. Ele", "authority_tier": "reference", "source": "OpenStax: Biology (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_openstax_biology_ap_courses_chapter_summary_48b39367", "title": "Chapter Summary — Biology for AP® Courses", "shelf": "biology", "surface": "secular", "snippet": "Chapter Summary\n\n4.1\n\nStudying Cells\n\nA cell is the smallest unit of life. Most cells are so tiny that they cannot be seen with the naked eye. Therefore, scientists use microscopes to study cells. Ele", "authority_tier": "reference", "source": "OpenStax: Biology for AP® Courses (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_openstax_introduction_behavioral_neuroscience_1_1_building_a_nervous_system_4f269268", "title": "1.1 Building a Nervous System — Introduction to Behavioral Neuroscience", "shelf": "reference", "surface": "secular", "snippet": "1.1\n\nBuilding a Nervous System\n\nLearning Objectives\n\nBy the end of this section, you should be able to\n\n1.1.1\nDescribe the similarities and differences between neurons, glia, and all eukaryotic cells.", "authority_tier": "reference", "source": "OpenStax: Introduction to Behavioral Neuroscience (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_taxon_3366610", "title": "Methanobacteriati", "shelf": "taxonomy", "surface": "secular", "snippet": "Methanobacteriati — a kingdom. In the tree of life under Archaea.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "readable": false, "generated": false}, {"id": "card_src_taxon_3402006", "title": "Candidatus Atabeyarchaeum", "shelf": "taxonomy", "surface": "secular", "snippet": "Candidatus Atabeyarchaeum — a genus. In the tree of life under Archaea incertae sedis.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "readable": false, "generated": false}, {"id": "card_src_taxon_3402015", "title": "Candidatus Australarchaeum", "shelf": "taxonomy", "surface": "secular", "snippet": "Candidatus Australarchaeum — a genus. In the tree of life under Archaea incertae sedis.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "readable": false, "generated": false}, {"id": "card_src_taxon_3402144", "title": "Candidatus Freyarchaeum", "shelf": "taxonomy", "surface": "secular", "snippet": "Candidatus Freyarchaeum — a genus. In the tree of life under Archaea incertae sedis.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "readable": false, "generated": false}, {"id": "card_src_taxon_3439079", "title": "Candidatus Sukunaarchaeum", "shelf": "taxonomy", "surface": "secular", "snippet": "Candidatus Sukunaarchaeum — a genus. In the tree of life under Archaea incertae sedis.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "readable": false, "generated": false}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_tol_domain_archaea"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}