what are the differences between bacteria archaea and eukarya?
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There are three domains of life: Bacteria (also known as Eubacteria), Archaea, and Eukarya. The Bacteria and Archaea are made up entirely of microorganisms; the Eukarya contains plants, animals, and microorganisms such as fungi and protists. ... Here are other major differences between the three domains.
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The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. ... The nucleus is only one of many membrane-bound organelles in eukaryotes. Prokaryotes, on the other hand, have no membrane-bound organelles.
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In contrast to prokaryotic cells, eukaryotic cells are highly organized. Bacteria and archaea are prokaryotes, while all other living organisms — protists, plants, animals and fungi — are eukaryotes.
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Like bacteria, organisms in domain Archaea are prokaryotic and unicellular. Superficially, they look a lot like bacteria, and many biologists confused them as bacteria until a few decades ago.
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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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How do prokaryotic cells differ from eukaryotic cells? Prokaryotic cells lack a nucleus and other membrane-bounded organelles, have cell walls made of peptidoglycan, and are typically much smaller than eukaryotic cells. ... Bacteria and archaea are small cells that lack nuclei and membrane-bounded organelles.
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Archaea and bacterial cells lack organelles or other internal membrane-bound structures. Therefore, unlike eukaryotes, archaea and bacteria do not have a nucleus separating their genetic material from the rest of the cell.
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Amoeba is the eukaryotic organism whereas on the other hand bacteria is a prokaryotic organism. Amoeba has no definite form or shape, but the bacteria is a simple prokaryotic microorganism having the extremely small shape. Bacteria lack nuclei, and when it comes to amoeba, it has one or more nuclei in it.
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There are three domains of life: Bacteria (also known as Eubacteria), Archaea, and Eukarya. ... The Bacteria and Archaea have been grouped together and called Prokaryotes because of their lack of a nucleus, but the Archaea are more closely related to the Eukaryotes than to the Bacteria.
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While both archaebacteria and eubacteria are prokaryotic, they are evolutionarily different. All prokaryotic cells are unicellular, have a cell wall and lack both a nucleus and membrane-bound organelles. ... The domain bacteria contains the kingdom eubacteria and is known as true bacteria.
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Bacteria, Archaea and Eukarya are the three domains of life. These domains are based on: The cellular composition of organisms. Archaea are the smallest and simplest types of cells, those without a nucleus.
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Although these two types of bacteria are extremely small, the differences are very significant: eubacteria is very ubiquitous these days and can be found everywhere, while archaebacteria can only be found in certain conditions.
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In fact, Archaea and Eukarya form a monophyletic group, not Archaea and Bacteria. These relationships indicate that archaea are more closely related to eukaryotes than to bacteria, even though superficially archaea appear to be much more similar to bacteria than eukaryotes.
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The two types of organisms differ in their cellular structures in that the cell wall of Bacteria contains the molecule peptidoglycan, while that of Archaebacteria does not. In addition, the lipid membranes of the two also contain different molecules.
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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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Likewise the bacteria, archaea are single-cell, simple prokaryotes, lacking the well-defined nucleus and other organelles. ... The cell wall of archaea is pseudopeptidoglycan, as they have ether bonds with the branching of aliphatic acids, whereas bacteria have lipid membrane ester bonds with fatty acids.
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The structural differences between prokaryotes and eukaryotes: The main differences between the prokaryotes and eukaryotes are the presence of nucleus in the eukaryotic cells and its absence of nuleus in prokaryotes.