Brief descriptions of microorganisms

Brief descriptions of microorganisms - Brief descriptions...

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Unformatted text preview: Brief descriptions of microorganisms. Bacteria are relatively simple, prokaryotic organisms whose cells lack a nucleus or nuclear membrane. The bacteria may appear as rods (bacilli), spheres (cocci), or spirals (spirilla or spirochetes). Bacteria reproduce by binary fission, have unique constituents in their cell walls, and exist in most environments on earth. For instance, they live at temperatures ranging from 0 to 100C and in conditions that are oxygen rich or oxygen free. A microscope is necessary to see and study them. Fungi are eukaryotic microorganisms that include multicellular molds and unicellular (single-celled) yeasts. The yeasts are slightly larger than bacteria and are used in alcoholic fermentations and bread making. Certain yeasts such as Candida albicans are pathogenic (disease causing). Molds are filamentous, branched fungi that use spores for reproduction. The fungi prefer acidic are filamentous, branched fungi that use spores for reproduction....
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Brief descriptions of microorganisms - Brief descriptions...

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