You are seeing Ask web results for Archaea.
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The Domain Archaea wasn't recognized as a major domain of life until quite recently. Until the 20th century, most biologists considered all living things to be classifiable as either a plant or an animal.
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Archaea are tiny, usually less than one micron long (one one-thousandth of a millimeter). Even under a high-power light microscope, the largest archaeans look like tiny dots. Fortunately, the electron microscope can magnify even these tiny microbes enough to distinguish their physical features.
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Archaea - Wikipedia, the free encyclopedia
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An introduction to the biology and ecology of the Archaea ... Archaea are microscopic, single-celled organisms. Being prokaryotes they have no membrane-bound organelles within their cells as you and I do, this means no nucleus, no mitochondria, no chloroplasts, etc.
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However, 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, but now to emphasize their distinctness, we call them Archaea.
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These Archaea species live in extreme heat near deep sea vents. Click on image for full size (22K jpeg); Image courtesy of NOAA ... Archaea are microbes. Most live in extreme environments. These are called extremophyles. Other Archaea species are not extremophiles and live in ordinary temperatures and salinities.
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Basic phylogeny, gene organization, and methods of DNA replication and transcription. ... Detailed description on this section is available from the Microbiology subject (SS12BMI). Microbial structures and their functions in Bacteria, Archaea and Eucarya.
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MicrobeWorld explores the world of microbes with vivid images and descriptions. Learn about microbiology, what microbiologists do, how they do it, and current topics in the news. ... ; Click here to learn more ... ; Submitted by: Garth Hogan...
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Archaea is a medieval fantasy live-action role-playing and padded-weapon wargaming system created by Edmond Y. Chang. ... Welcome to the Archaea Live-Action Role-Playing and Wargaming Information page!
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