Test #3 Micro Biology

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Anonymous
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83161
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Test #3 Micro Biology
Updated:
2011-05-02 02:00:57
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Yeast mold fungus algae
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Micro Biology test
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  1. What are 4 characteristics of yeast
    • 1. reproduce asexually
    • 2. most are saprophytic
    • 3. they live off dead oragnaisims
    • 4. some are parasitic
  2. How do yeast reproduce
    budding-mother cell, daughter cell
  3. live off dead organisims
    decay process
  4. live off live organisims
    parasitic
  5. what are some uses for yeast
    • brewing industry
    • baking industry
    • vitimin B-metoblism
    • research
  6. what are 4 characteristics of mold
    • most reproduce asexually
    • some reproduce sexually
    • all are heterotrophic
    • none are autotrophic
  7. What is heterotrophic
    take nutrition from outside
  8. what is autotrophic
    self-nurishing
  9. what is mycelium
    the body mass of a fungus
  10. body mass of a fungi consist of
    aerial hyphe, and vegetative hyphe
  11. what is the function of vegetative hyphe
    absorption of water
  12. how do myselium reproduce
    • asexually-no sexual context
    • some sexually-two different parents(burst, two unight, become a zygospore)
  13. what is at the end of an aerial hyphe
    sporangium
  14. what are some mold problems
    • allergies - respritory problems
    • death
    • food spoilage
    • infections
  15. what are some positive things from mold
    • decomposition
    • food production
    • antibiotics
    • acids-(hydrocloric acid)
    • bases
  16. what are the growing conditions of fungi
    • dark
    • wet
    • warm-mesophilic 20-40c
    • dirty - enriched media (opt-30-37)
    • ph - 2-10 opt60
  17. what are some mycotic infections
    • tinea capitis-ring worm of the scalp
    • tinea corpois
  18. what are some preventions of mycotic infections
    • light
    • air-dry
    • clean
  19. a condition in which fungi pass the resistance barriers of the human or animal body and establish infections
    mycotic infections
  20. what is another name for thrush
    cndidiasis
  21. deep mycotic infections
    • rare
    • lethal
  22. candidiasis
    case by a fungus called candida albicans
  23. candida albicans
    • white crusty growth
    • usually seen in a child that has an immune deficiency
  24. what are some conditions stimulating deep mycotic infections
    • diabetics
    • chemo therapy patients-alters normal flora
    • prolong use of antibiotics
    • sergery
  25. what is it called when you have NO antibody production
    Agamaglobulinemia
  26. what are some dificiencies
    • agamaglobulinemia
    • dysgamaglobulinemia
    • hypogammaglobulinemia
  27. lacking a class or classes of antibodie
    dysgamaglobulinemia
  28. insufficient concentration of antibodies
    hypogammaglobulinemia
  29. Igm
    6 month to 1 year
  30. Iga
    IgG
  31. IgA
    • persperation
    • urin
    • breat milk
    • tears-lacramal fluid
  32. IgD
    • least found
    • concntration inceases in people with multiple myloma-bone marrow cancer
  33. IgE
    • reagen-colecules adhere to each other
    • allergies
  34. what are some characteristics of viruses
    • contain DNA or RNA not both
    • active vs. inactive
    • lack complete enzyme systems
    • obligate parasites
    • less than .45 microns in size
    • have host specifisity-animal, plant, bacteria
    • have tissue preferance-epitial, nervous, muscle, concetive tissue
  35. what three things do we look for in brewing yeast
    • stable strain
    • lot of product
    • inexpensive substrate
  36. what is symbiosis
    living together of two different organisms
  37. what is parasitism
    organism living off a dead organism
  38. what is saprophism
    organism living off a dead organism
  39. what is mutualism
    two organisms living together, both benefiting
  40. what are some characteristics of algae
    • all are photosynthetic-autotrophic
    • all require water(some fresh, some marine)
    • important in food chain
  41. what are classes of algae
    • Cyanaphycaphyta
    • Chlorophycophyta
    • Crysophycophyta
    • Rhodophycophyta
  42. Cyanophycaphyta
    • blue-green algae
    • procayotic-non membrain bond organally
    • plast or plastic-a cell containing a pigment
  43. Chlorophycophyta
    • largest class of fresh water algae
    • chlorophyll-green algae-ex;spirogyra
    • Eucaryotic
  44. Crysophycophyta
    • pleomorphic-xanthrophyll-yellow
    • silia-sand-largest group are diatomes ex;comet
  45. Rhodophycophyta
    red algae-largest group of marine algae

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