Microbiology

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Author:
sglasgo
ID:
132022
Filename:
Microbiology
Updated:
2012-02-02 09:51:59
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Microbiology exam
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Description:
Heather Hug Microbiology University of Toledo
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  1. T or F: Basteria have a Peptidoglycan cell wal
    T
  2. How do bacteria reproduce?
    Binary fission
  3. Describe Archea cell wall
    Lack peptidoglycan & cellulose
  4. T / F: Archea live in extreme enviornments
    T
  5. T / F: fungi use organic chemicals 4 energy
    T
  6. Fungi cell walls
    Chitin
  7. What type of cell wall does Algae have?
    Cellulose cell walls
  8. T / F: viruses can live on their own
    F, must have living host cell
  9. T / F: viruses have both DNA & RNA
    F, virsues have either DNA or RNA
  10. Viroids cause what dieases?
    Diseases in plants
  11. Where is DNA or RNA core located in viruses?
    Surrounded by a protien coat, inside an lipid envelope
  12. What makes up a viroid?
    Short piece of RNA w/ no protien coat
  13. T / F: Viroids R bigger than viruses?
    F, viroids R smaller & simpler
  14. Infectious Protiens are called __________
    Prions
  15. Prions are infectious protiens. What do they cause?
    Neurodegenerative diseases (mad cow diease in cattle)
  16. T /F: Prions contain no nucleic acid
    T, prions contain no nucleic acid
  17. Who established the naming system of scientific nomenclature?
    Linnaeus
  18. How are scientific names abbreviated?
    W/ 1st letter of genus & specififc epithet
  19. Process of repeated heating / cooling
    Tyndallization
  20. Discovered bacteria produced spores responsible for heat stable forms
    Cohn
  21. Golden age acchievements
    • Koch's Postulates (Kim's Pimp)
    • Lister's Sterilization exper. (Lickd Sisters)
    • Jenner's Vaccine exper. (Jenny & Vacc)
    • Pasteur's Rabies vaccine (then Pissed Rabies)
  22. Same organism can be found in all & only sick animals
    Isolation
  23. Organisms can be obtained and grown in pure cultures
    Cultivation
  24. Inoculation of cultured cells n2 healthy animals transfers disease
    Transference
  25. Same organism can be reisolated from infected animal & cultured again
    Reisolation
  26. invented 1st anitibiotic, Penicillin
    Fleming
  27. Basic stains carry what charge?
    Positive & colors organism
  28. Acidic stains carry what charge?
    Nevative & colors outside area
  29. Identify this stain as Simple, Differential, or structural. Shows increased contrast betweeen cell & background, all cells same color
    simple
  30. Identify this stain as Simple, Differential, or structural. Used to identify specific bacteria structures
    structural (like Spore staining)
  31. Identify this stain as Simple, Differential, or structural. Multiple reagents used & used to tell 1 bacteria from another
    Differential (Gram Stain most often used)
  32. Gram positive bacteria stains this color...
    Purple
  33. Gram negative bacteria stains this color...
    Red
  34. Crystal Violet
    Primary Stain: stains cell
  35. Grams iodine.
    Mordent: Holds primary dye into cell
  36. Alcohol
    Decolorizer: removes primary dye from Gram Neg.
  37. Safrinin
    2ndary/Counter stain: recolors cells that lose stain threw decolorization
  38. coccus shape
    Spherical: o
  39. Bacillus shape
    Rod shaped: ()
  40. T / F: Prokaryokes have a Cell wall
    T
  41. Gram positive _________ crystal violet iodine. Retain or Lose?
    Retain
  42. Gram negative ________ crystal violet iodine? Retain or lose?
    Lose
  43. Inhibits peptide bridges in peptidoglycan
    Penicilin
  44. digests disaccharide in peptidoglycan
    Lysozyme
  45. Has selective permeability
    Phospholipid bylayer
  46. Trace elements requried in minute amounts to....
    Assist in enzyme function
  47. Trace element examples....
    Cobalt, Zinc, Copper, Manganese
  48. Photoautotroph uses an energy source & carbon source. What R they?
    Light & CO2
  49. Photoheterotroph uses an energy source & carbon source. What R they?
    Light & Organic Compounds
  50. Chemoautotroph uses an energy source & carbon source. What R they?
    Chemical & CO2
  51. chemohetrotrophs uses an energy source & carbon source. What R they?
    Chemical & organic compounds
  52. What is a way to reduce water avalibility?
    By drying food threw adding salt or sugar (desiccation)
  53. Psychrophiles live @ wut temperatures?
    -5 to 18 degrees C (coldest file psychos)
  54. Psychrotrophs live @ wut temperatures?
    0 - 35 degrees C (current psychos)
  55. Mesophiles live @ wut temperatures?
    15 - 45 degrees C (most common)
  56. Thermophils live @ wut temperatures?
    40 - 80 degrees C (warmer climates)
  57. Hyperthermophiles live @ wut temperatures?
    65 - 115 degrees C (extreme heat)
  58. Neutro-philes like what PH range?
    5-8 (Neutral & most common)
  59. Acido-Philes like what PH range?
    below Ph 5 (acidic)
  60. Alkalo-philes like what PH range?
    Above 8 (more basic)
  61. Obligate Aerobe uses what amount of Cata & SOD? & wut amount of O2 can they handle?
    Both Cata & SOD / they require O2
  62. Facilitative Anaerobe uses what amount of Cata & SOD? & wut amount of O2 can they handle?
    Cata & SOD / some O2
  63. Obliga Anerobe uses what amount of Cata & SOD? & wut amount of O2 can they handle?
    Nither Cata or SOD / Cant handle O2
  64. Microaerophile uses what amount of Cata & SOD? & wut amount of O2 can they handle?
    Small amounts of Cata & SOD / Small amount of O2
  65. Aerotolerent uses what amount of Cata & SOD? & wut amount of O2 can they handle?
    SOD / tolerates O2

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