Microbiology Biodiversity

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Anonymous
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73889
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Microbiology Biodiversity
Updated:
2011-03-19 18:05:10
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Microbiology Biodiversity
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Microbiology Biodiversity
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  1. Why 16s Ribosome?
    • All cellular life must have ribosomes
    • has highly conserved regions (in all organisms) + conserved (differentiate species)
  2. Deep-Branching Thermophiles (3)
    • High temps and Fastest growing cells known
    • Aquificales, thermotogales (near boiling water)
    • Deinococcus live at lower temps, extremely radiation resistant (hiroshima bomb = nothing)
  3. Cyanobacteria (3)
    • Oxygenic phototrophs
    • Nitrogen fixers ( specialized cell = heterocyst)
  4. What are cyanobacteria subcellular structures?
    • Thylakoid (site of photosynthesis)
    • Carboxysome-lipid bodies
    • gas vessicles
  5. What is a Firmicute? ex?
    • phylum of low GC content gram(+) bacteria
    • Many are pathogenic
    • ex: staph, strep, Listeria (polymerizes actin inside host)
  6. Gram(+) actinobacteria
    • Acid-fast Cell walls (waxy lipid in cellwall)
    • ex Mycobacterium TB, leprae
    • Form long multicellular filaments
  7. Streptomyces
    • Very large Genome
    • source of antibiotics
  8. Granulome
    • A special type of inflammation that can occur in a wide variety of diseases
    • formed by Mycobacterium
    • Can be aerosolized
  9. Alpha Proteobacteria
    • Photohetertroph - rhodospirillium
    • Endosymbionts - rhizobium, agrobacterium (plants and animals) - Rickettsias (animals)
  10. Enteric Gamma Proteobacteria
    • Faculative Anaerobic rods
    • E. coli
    • biofilm
  11. Gamma proteobacteria examples
    Pathogenic = Salmonella, Proteus, Shigella

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