what are the characteristics of domain bacteria?
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['Domain: Bacteria.', 'These are prokaryotes. ... ', 'The cell walls of bacteria; unlike the domains of Archaea and Eukarya, contain peptidoglycan.', 'Mode of nutrition: autotrophs; synthesize their own food, or heterotrophs; most bacterial species are heterotrophs and this means they get their food from organic matter.']
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['Thick keratinlike coat.', 'Peptidoglycan.', 'Cell membrane.', 'A small amount of cytoplasm.', 'Very little water.', 'Bacterial DNA.']
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Responses will vary. A possible answer is: Bacteria contain peptidoglycan in the cell wall; archaea do not. The cell membrane in bacteria is a lipid bilayer; in archaea, it can be a lipid bilayer or a monolayer. Bacteria contain fatty acids on the cell membrane, whereas archaea contain phytanyl.
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The cell walls of bacteria; unlike the domains of Archaea and Eukarya, contain peptidoglycan. Mode of nutrition: autotrophs; synthesize their own food, or heterotrophs; most bacterial species are heterotrophs and this means they get their food from organic matter.
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Answer and Explanation: All three domains include unicellular organisms, archaea, bacteria, and eukarya.
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['Three domains of living things, archaea, bacteria, and eukarya, are organized by shared characteristics fundamental to life: cellular organization, biochemistry, and molecular biology. ... ', 'Scientists at the Harvard John A.']
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A difference between all three domains is what their cell walls contain. A cell wall in domain Archaea has peptidoglycan. The organisms that have a cell wall in domain Eukarya, will have a cell wall made up of polysaccharides. A cell wall in domain Bacteria contains neither peptidoglycan or polysaccharides [13b].
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The three domains are the Archaea, the Bacteria, and the Eukarya. 4. Prokaryotic organisms belong either to the domain Archaea or the domain Bacteria; organisms with eukaryotic cells belong to the domain Eukarya.
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['They are unicellular, prokaryotic microscopic cells.', 'Their cell membrane contain lipids made up of glycerol-ester lipids.', 'The cell wall is made up of Peptidoglycan (Murein)', 'Chromosome is circular and nucleosomes maybe present.']
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[' they have no nuclear membrane.', ' their DNA is not wound around histones.', ' the cell walls are made of a chemical called peptidoglycan.', ' they do not have complex membrane-bound organelles.']
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['Prokaryotic cells are divided into the domains Bacteria and Archaea.', 'Eukaryotic cells make up the more familiar Domain Eukarya.']
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Evolution of Prokaryotes The domain Bacteria comprises all organisms in the kingdom Bacteria, the domain Archaea comprises the rest of the prokaryotes, and the domain Eukarya comprises all eukaryotes, including organisms in the kingdoms Animalia, Plantae, Fungi, and Protista.
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Answer: Bacteria are like eukaryotic cells in that they have cytoplasm, ribosomes, and a plasma membrane. Features that distinguish a bacterial cell from a eukaryotic cell include the circular DNA of the nucleoid, the lack of membrane-bound organelles, the cell wall of peptidoglycan, and flagella.
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Organisms can be classified into one of three domains based on differences in the sequences of nucleotides in the cell's ribosomal RNAs (rRNA), the cell's membrane lipid structure, and its sensitivity to antibiotics. 3. The three domains are the Archaea, the Bacteria, and the Eukarya.
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The three-domain system is a biological classification introduced by Carl Woese et al. in 1990 that divides cellular life forms into archaea, bacteria, and eukaryote domains. The key difference from earlier classifications is the splitting of archaea from bacteria.
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Key points: Prokaryotes are single-celled organisms belonging to the domains Bacteria and Archaea. Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles. All prokaryotic cells are encased by a cell wall.
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['Archaea - oldest known domain, ancient forms of bacteria.', 'Bacteria - all other bacteria that are not included in the Archaea domain.', 'Eukarya - all the organisms that are eukaryotic or contain membrane-bound organelles and nuclei.']