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Bookmark or Share- Microbiology | Definition, History, & Microorganisms | BritannicaA description of precisely what is passed along eluded discovery until the late 1800s, when the work of many scientists, Pasteur foremost among them, determined the role of bacteria in fermentation and disease.
- Bacteria | Cell, Evolution, & Classification | BritannicaBacteria are microscopic single-celled organisms that inhabit virtually all environments on Earth, including the bodies of multicellular animals. Bacteria lack a membrane-bound nucleus and other internal structures.
- bacteria - Kids | Britannica Kids | Homework HelpBacteria are small organisms, or living things, that can be found in all natural environments. They are made of a single cell . Most bacteria can be seen only with a microscope.
- Plankton | Definition, Characteristics, Types, Diet, Size, & Facts ...Bacteria and fungi found in water belong by definition to plankton, but, because of special techniques required for sampling and identification, they usually are considered separately. These organisms are important in the transformation of dead organic materials to inorganic plant nutrients .
- Bacteria - Genetic Content, DNA, Prokaryotes | BritannicaBacteria - Genetic Content, DNA, Prokaryotes: The genetic information of all cells resides in the sequence of nitrogenous bases in the extremely long molecules of DNA. Unlike the DNA in eukaryotic cells, which resides in the nucleus, DNA in bacterial cells is not sequestered in a membrane-bound organelle but appears as a long coil distributed ...
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