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Archaebacteria


archaebacteria: ancient bacteria that have a different ribosomal structure, membrane composition, and cell wall composition than modern bacteria.
arteries: the channels through which fluid flows away from the heart.
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Archaebacteria (now more commonly referred to as the archaea) are considered the oldest and most primitive organisms known. They have significant differences in their cell walls and biochemistry when compared to bacteria.
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58: The Archaebacteria: Biochemistry and Biotechnology Edited by MJ Danson, DW Hough and GG Lunt
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57: Protein Structure, Prediction and Design J Kay, GG Lunt and G Osguthorpe ...
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Archaea - Archaebacteria
Bacteria - Eubacteria
Prokaryotes (from Old Greek pro- before + karyon nut or kernel, referring to the cell nucleus, + suffix -otos, pl. -otes; also spelled "procaryotes") are organisms without a cell nucleus (= karyon), ...
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These are: the prokaryotes ("ordinary" bacteria), archaebacteria (thermophilic, methanogenic and halophilic bacteria) and eukaryotes.
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Although the three-domain system was quickly adopted by most molecular systematists, biologists like Luria and Mayr have criticized him for over-emphasizing the uniqueness of the archaebacteria and ignoring strong genetic similarities between the ...
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In 1977, Woese divided the prokaryotes into two groups based on 16S rRNA sequences, called the kingdoms Eubacteria and Archaebacteria.
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ocytes A group of prokaryotes currently classified among the Archaebacteria but possibly a sister group of eukaryotes.
eosinophil White blood cells characterized by the presence of cytoplasmic granules that become stained by an acid dye.
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Comparing the DNA sequences of entire genomes of differerent microbes will provide new insights about relationships among the three kingdoms of life: archaebacteria, eukaryotes, and prokaryotes.
DNA Forensics (Identification) ...
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He then split the former kingdom of Monera into the Eubacteria (bacteria) and the Archaea (archaebacteria) domains. Woese then placed most of the "unusual" prokarytes in the Archaea, leaving traditional bacteria in the Eubacteria.
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Although they share a basic morphology with bacteria and they are also prokaryotes (i.e. they lack a nuclear membrane), in many molecular details they resemble eukaryotes more than bacteria. Previously called Archaebacteria.
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when their ribosomal RNA was sequenced, it became obvious that they bore no close relationship to the bacteria and were, in fact, more closely related to the eukaryotes (including ourselves!) For a time they were referred to as archaebacteria, ...
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Prokaryote: A single-celled organism with a simple internal structure and no nucleus. Bacteria and archaebacteria are prokaryotes.
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