25-prokaryotesmod

25-prokaryotesmod - Ch 25: The Prokaryotes: Bacteria &...

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Ch 25: The Prokaryotes: Bacteria & Archaea
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Thiomargarita namibiensis
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Bacterial cell shapes
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Bacterial cell walls lipid A
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pseudomurein
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pilus (pili pl.)
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Comparison
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Axial filaments Slime jets
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15.3
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Nutritional modes for organisms Energy source phototroph vs. chemotroph For phototrophs: group PS pigments(s) 1) purple S bacteriochlorophylls a or b 2) purple non-S bacteriochlorophylls a or b 3) green S bacteriochlorophylls a + c, d, or e 4) green non-S bacteriochlorophylls a + c 5) Halobacterium bacteriorhodopsin* 6) cyanobacteria chlorophyll a + phycobilins 7) PS-protists chlorophyll a + various 8) almost all land plants chlorophyll a + b
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Nutritional modes for organisms C source: autotroph vs. heterotroph Combinations chemoheterotroph chemoautotroph photoheterotroph photoautotroph
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Oxygen use aerobe vs. anaerobe facultative vs. obligate Extremophiles Symbiosis/symbioses mutualism commensalism parasitism/predation
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Human Microbiota
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proteins lipopolysaccharides Some harmful substances = lipid A
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Ribosomal DNA- based
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Aquifex Aquificae Old lineage?
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This note was uploaded on 01/17/2012 for the course BIOL V04 taught by Professor De-jesus,m during the Fall '08 term at Ventura College.

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25-prokaryotesmod - Ch 25: The Prokaryotes: Bacteria &...

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