micro lect1a - Microbiology Defn The Study of All Living...

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Unformatted text preview: Microbiology Defn. The Study of All Living Thing That Are So Small a Microscope Is Needed to See Them. Microbiology • The smallest object resolved with 20/20 vision is 0.1mm • Some microorganisms are larger than 0.1mm but have spores,larvae,or eggs that are microscopic • Instruments used to see microbes are bright field microscopes,dark field microscopes and different kinds of electron microscopes Microbiology • Organisms that are microbes are: • Eukarya (animals , plants, protists ,fungi) • Archaea formerly bacteria • Bacteria including more than 30 groups • Viruses , viroids ,and prions which are not true life forms but behave like parasites Animal Microbes • Platyhelminths trematode worms and cestode worms are parasites. Both are dorsoventrally flattened • Nematodes best known as roundworms Protista • Protozoans are one celled “animal-like” creatures • Algae are one celled “plant-like” creatures fungi are creatures like yeasts and molds etc Microbes Without Nuclei • Bacteria are prokaryotic life with cell walls made of murein • Archaea are prokaryotic life forms without murein in their cell walls Microbiology • Why study microbiology?...
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micro lect1a - Microbiology Defn The Study of All Living...

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