lecture notes-microbiology-2-Procaryotes

lecture notes-microbiology-2-Procaryotes - Classification...

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Classification of Cellular Organism ( according to cell structure) Cellular Organism Eucaryotes Procaryotes: bacteria Virus Eubacteria : Gram-positive bacteria Gram-negative bacteria Non-gram bacteria: Actinomycetes Cynaobacteria Protists : Fungi, Algae, protozoa Plant : seed plants, mosses Animal : vertabrates and invertabrates Archaebacteria : methanogen Halogen Thermoacidophiles not free-living organisms Have nuclear membrane and membrane –bound organells? Yes No
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Classification of Cellular Organism ( according to cell structure) Cellular Organism Eucaryotes Procaryotes: bacteria Virus Eubacteria : Gram-positive bacteria Gram-negative bacteria Non-gram bacteria Actinomycetes Cynaobacteria Protists : Fungi, Algae, protozoa Plant : seed plants, ferns, mosses Animal : vertabrates and invertabrates Archaebateria : methanogen Halogen Thermoacidophiles not free-living organisms Have nuclear membrane and membrane –bound organells? Yes No
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Procaryote Procaryotes have no membrane around the cell genetic information and no membrane-bound organelles Bacteria: e.g. E. Coli, Rhodospirillum sp. Size: 0.5-3µm. Grow rapidly: e.g. one cell can replicate into over a million cells in just 12 hours. In contrast, a human cell takes 24 hours to split. Utilize carbon sources: carbohydrates, hydrocarbon, protein and CO 2 .
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Picture courtesy of http://micro.magnet.fsu.edu/cells/procaryotes/images/procaryote.jpg
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This note was uploaded on 02/13/2012 for the course CHM 3210 taught by Professor Kennell during the Fall '11 term at University of Florida.

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lecture notes-microbiology-2-Procaryotes - Classification...

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