MCB LAB

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Author:
bkheath
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79360
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MCB LAB
Updated:
2011-04-14 00:20:29
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MCB Lab final
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MCB Lab final
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  1. Causative, often used in medical settings
    Etiological
  2. Study of disease occurance, etc
    Epidemiology
  3. Group of orgs which are non- spore-forming Gram-negatiave rods that ferment lactose to acid and gas, such as E. coli
    Coliforms
  4. Three tests that make up the bacterial Standard Analysis of Water
    • Presumptive
    • Confirmed
    • Completed
  5. Test that is based on gas formation as a result of fermentation in lactose broths; count gas bubbles
    Presumptive
  6. Test which confirms actual presence of coliforms, since synergism b/w non-coliform bacteria could also result in gas formation
    Confirmed test
  7. Once, a Gram-neg lactose fermenter has been isolated, test done to prove that the org truly is a Gram-neg rod, by means of a Gram stain, and does produce gas from lactose in a lactose broth w/a Durham tube
    Completed test
  8. Series of tests done to distinguish E. coli from E. aerogenes
    • IMViC
    • I: Indole
    • M: Methyl Red
    • V: Voges-Proskauer
    • C: Citrate
  9. Production of acids and/or alcohol from carbs
    Fermentation
  10. Clear area among cloudy bacterial growth where virus has infected and lysed a cell, spreads and infects and lyses other cells
    Plaque
  11. Sequence of infection by a virus
    • Absorption: binding to cell
    • Injection: of nucleic acid into cell
    • Insertion: into host genetic material
    • Assembly: of new viruses
    • Lysis: rupturing cell
  12. Phages that are able to undergo lysogeny
    Temperate
  13. Type of cycle in which virus stays w/in host DNA for some period of time, being replicated w/host's, and later being released
    Lysogenic cycle
  14. Cycle of virus that is not delayed
    Lytic cycle
  15. Method of asexual repro by yeasts
    Budding
  16. An organism, often an invertebrate arthropod, that transmits a pathogen from reservoir to host
    Vector
  17. Study of natural relationships of organisms
    Ecology
  18. 2 diff orgs living in close association
    Symbiosis
  19. Interaction b/w 2 orgs which benefits both
    Mutualism
  20. 2 orgs creating a product together that neither is able to create alone
    Synergism
  21. 1 org is benefited, other is harmed
    Antagonism, or antibiosis
  22. Bulges of tissue formed on the plant root when bacteria enter plant, chg shape & fix N2 gas into nitrogenous compounds plant can use
    Nodules
  23. Variable appearance; ability to change cell size and shape
    Pleomorphic
  24. Irregularly-shaped cells formed when bacteria nodules form on roots, which is only form that they can fix nitrogen
    Bacteroids
  25. Pink compound whose function is to bind oxygen, which keeps the microenv of the nodule anaerobic to allow the nitrogenase enzymes to fix the nitrogen
    Leghemoglobin
  26. Area around plant roots
    Rhizosphere
  27. Species that require more than ordinary nutrients
    Fastidious
  28. Tube to diagnose UTIs
    Bactercult
  29. Protein produced by body's immune system in response to the presence of a foreign substance or org
    Antibody
  30. Foreign substance or org which body reacts to
    Antigen
  31. Visible clumping formed by antibody molecules binding w/bacterial cells or blodo cells, and cross-linking
    Agglutination
  32. Agglutination factor which is associated w/blood types
    Rh factor
  33. Immunological reaction which involves antigens and antibodies that are in solution, forming a granular product
    Precipitin
  34. Tool used for precipitin rxn in which antibody placed in center well & diff antigens are added to each outer well, causing the solutions to diffuse out from their wells through the agar & meeting to form a precipitin
    Ouchterlony plates

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