Biology
bacteriophage or, phage
Term: bacteriophage or, phage
Literally meaning: ?bacteria eater?
Origin: Anc Greek
?????????/bacterion(=bacterium) > ????????/bacteria (=rod, stick) because the first ones observed were rod-shaped.
?????/phagos(=eater) > ??????/ephagon(=indefinite tense of verb "?????"/esthio(eat, devour)
Coined/History
In 1915, British bacteriologist Frederick Twort, discovered a small agent that infected and killed bacteria. Independently, French-Canadian microbiologist Felix d?Herelle, working at the Pasteur Institute in Paris, announced in 1917, that he had discovered "an invisible, antagonistic microbe of the dysentery bacillus". D'Hérelle coined the term bacteriophage, meaning ?bacteria eater,? to describe the agent's bacteriocidal ability. Definition Bacteriophage (or shortly phage) is virus that affects bacteria.
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Dna Is The Genetic Material Of Viruses
KEY CONCEPTS:Phage infection proved that DNA is the genetic material of viruses. When the DNA and protein components of bacteriophages are labeled with different radioactive isotopes, only the DNA is transmitted to the progeny phages produced by infecting...
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Phagosome
Term: phagosomeLiterally meaning: ?body of eater?Origin: Anc Greek?????/phagos(=eater) > ??????/ephagon(=indefinite tense of verb "?????"/esthio(eat, devour)++????/soma(body) > ????/sima(=corpse). Homer(9th cen) reffered to word "????" with the...
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Macrophage
Term: macrophageLiterally meaning: ?big eater?Origin: Anc Greek??????/macros (=large)+?????/phogos(=eater) > ??????/ephagon(=indefinite tense of verb "?????"/esthio(eat, devour)Coined/History(?)DefinitionMacrophage is a type of mononuclear leucocyte...
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Arxhaea, Archaebacteria
Term: arxhaea, archaebacteria Origin: Anc Greek???????/archaeos(=ancient)????/archo(=start, lead, rule)?????????/bacterion(=bacterium) > ????????/bacteria (=rod, stick) because the first ones observed were rod-shaped. DefinitionA taxonomic domain...
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The Most: Related To Microbes
PPLO 1. Largest (longest) plant virus Citrus tristeza (rod shaped)- 20,000 nm in size (0.02 mm) 2. Largest animal virus Parrot fever Virus (450...
Biology