Micro Test 3

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Author:
Anonymous
ID:
97715
Filename:
Micro Test 3
Updated:
2011-08-20 21:52:47
Tags:
UWS micro burnham
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Description:
Test 3 - general micro
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  1. Fracastoro
    diseases caused by spores
  2. Va leeuwenhoek
    1st described microbes, invented microscope
  3. semmelweis
    handwashing
  4. lister
    antiseptic in surgery
  5. pasteur
    • germ theory
    • pasteurization
    • disproved spontaneous generation
  6. koch
    tb vaccine
  7. griffith
    bacteria are capable of transfering genetic information
  8. avery, mccarty, macleod
    transforming substance is DNA
  9. watson and crick
    dna structure
  10. john cairns
    chromosome is circular
  11. coccus
    spherical
  12. bacillus
    rod shaped
  13. spirillum
    spiral
  14. coccobacillus
    rod shaped with round ends
  15. spirochete
    spiral shaped with unique motility
  16. pleomorphic
    vary in shape
  17. gram positive
    • thick peptidoglycan
    • stain purple
    • contain teichoic acids (give it negative charge)
  18. gram negative
    • thin peptidoglycan
    • outer membrane surrounds peptido
    • lipopolysaccharide
    • stain pink
  19. acid fast cell
    • cell wall with high lipid content (dont take up stain)
    • require unique dyes and heat
    • mycobacterium - all are acid fast
  20. cells with no cell wall
    have high sterol content for rigidity
  21. mesosome
    invaginations of the cytoplasmic membrane that forms vesicles
  22. periplasmic space
    space b/t inner and outer membranes in gram negative
  23. nucleoid
    region of bacterial cell containing dna
  24. plasmid
    extrachromosomal dna, autonomous replication
  25. ribosomes
    organelles composed of rRNA and protein
  26. storage granules
    • accumulations of high molecular weight polymers
    • also called inclusion bodies, granular inclusions
  27. flagella
    • motility
    • vir. factor
  28. pili (fimbriae)
    • adherence factors
    • can be v. factor
  29. capsule = glycocalyx
    • protective walls
    • v. factor - impedes phagocytosis
  30. endospore
    • 2 gram + genera - bacillus, clostridium
    • protective not reproductive
    • resist heat, drying, disinfectants
  31. earliest classification system
    • linnaeus - 2 kingdoms
    • then 5, then 6
  32. 3 domain system
    • comparison of DNA sequence
    • bacteria
    • archaea
    • eukarya
  33. bacterial nomenclature
    • kingdom
    • phylum
    • class
    • order
    • family
    • genus
    • species
    • strain
  34. bacterial identification
    • based on:
    • morphological characteristics
    • biochemical testing
    • molecular taxonomy
    • PCR
    • Immunological tests
  35. biochemical testing
    test for utiization of different substrates
  36. immunological tests
    • analyze blood serum for specific antibodies
    • the serotype indicates the possesion of antigens
  37. Metabolism

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