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Bacteria
Bacteria are prokaryotes (unicellular organisms with no membrane-enclosed nucleus) with simple structures that typically range in size from about 0.5 to 20 micrometers... More »
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Bacteria - Wikipedia, the free encyclopedia
The bacteria ([bækˈtɪərɪə]; singular : bacterium ) are a large group of unicellular microorganisms. Typically a few micrometres in length, bacteria have a wide range of shapes, ranging fr...
en.wikipedia.org/wiki/Bacteria
cut-away view of a bacterium ... Bacterium is the singular form of the word. While the plural bacteria is often used as if it were the singular, this is nonstandard. See the examples below. ... Scientists have discovered a bacterium that infects cattle.
en.wiktionary.org/wiki/bacterium en.wiktionary.org/wiki/bacterium
Lyme disease is caused by the bacterium Borrelia burgdorferi and is transmitted to humans by the bite of infected blacklegged ticks. Typical symptoms include fever, headache, fatigue, and a characteristic skin rash called erythema migrans.
www.cdc.gov/ncidod/dvbid/lyme/index.htm
Classification: Yersinia was formerly classified in the family Pasteurellaceae, but based on DNA- DNA hybridization similarities to Escherichia ... More recently, nucleic acid techniques have been applied to assist the definition of genera and species within this family; ... Fluorescence antibody positivity is seen as bright,
www.cdc.gov/ncidod/dvbid/plague/bacterium.htm www.cdc.gov/ncidod/dvbid/plague/bacterium.htm · Cached
Brief and Straightforward Guide: What is a Bacterium? ... A bacterium is a unicellular microorganism which represents one of the most basic and primitive forms of life. Bacteria are everywhere, from pools of nuclear waste to deep inside the Earth's crust, and it is believed that bacteria were the first living organisms...
www.wisegeek.com/what-is-a-bacterium.htm www.wisegeek.com/what-is-a-bacterium.htm
Bacteria are often maligned as the causes of human and animal disease (like this one, Leptospira, which causes serious disease in livestock). However, certain bacteria, others live symbiotically in the guts of animals (including humans) or elsewhere in their bodies, ... bacteria help to break down dead organic matter;
www.ucmp.berkeley.edu/bacteria/bacteria.html www.ucmp.berkeley.edu/bacteria/bacteria.html · Cached
First blueprint of a minimalist bacterium show it is not so simple after all – challenging textbook accounts of the way genes work together ... Now a study of its inner workings has revealed that the bacterium has uncanny flexibility and sophistication, allowing it to react fast to changes in its diet and environment.
www.newscientist.com/article/dn18206-simple-bacterium-s... www.newscientist.com/article/dn18206-simple-bacterium-shows-surprising-complexity.html
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