Intro

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callmelauren122001@yahoo.com
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99099
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Intro
Updated:
2011-09-03 16:21:04
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Intro microbiology
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Intro to micro
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  1. Microorganisma
    • Microbes
    • To small to see w/out microscope
    • Decompase waste
    • Produces ethonal, acetone, vinegar, cheese, bread
  2. Microorganism types
    • Bacteria
    • Archaea
    • Fungi
    • Protazoa
    • Algae
    • Viruses
    • Mulitcellular animal parasites
  3. Pathogenic organisms
    Disease causing microb
  4. Microbe purpose
    • Prevent food spoilage
    • Prevent disease occurrence
    • Led to aseptic techniques
  5. Nomenclature
    • Naming of organisms
    • Linnaeus est. system of naming
    • Genus
    • Species
  6. Genus
    • Capitalized
    • Italicized or underlined
  7. Species
    • Follows genus
    • Italicized and underlined
  8. Prokaryotes
    • Single-celled orgamisms
    • Gentic material is NOT enclosed in a membrane
    • Bacteria, Archaea
  9. Eukaryotes
    • Organisms that have DISTINCT nucleus with gentic material
    • Fungi
    • Protozoa
  10. Bacteria
    • Prokaryotes
    • Peptidoglycan (protein-card) cell wall
    • Binary fussion-divide into 2 equal cells
    • Energy=photosythesis, chemicals
  11. Archaea
    • Prokaryotic
    • No peptidoglycan wall
    • Live in extreme enviroment
    • Methanogens-make methane
    • Halophiles-love salt
    • Thermophilies-love heat
  12. Fungi
    • Eukaryotes
    • Chitin cell wall
    • Mold has visible mass called mycelia made of hyphae
    • Yeast is unicellular
  13. Protozoa
    • Eukartoytes
    • Move by flagella, pseudopods, cilia
    • Absorb or ingest organic chemicals
  14. Algea
    • Eukaryotes
    • Photosynthetic energy
    • Cellulose (carb) cell wall
    • Produce oxygen, carbohycrates
  15. Viruses
    • Acellular cell containing DNA or RNA core
    • Core surrounded by protein coat-which may be in a lipid coat
    • Can only reproduce when in living host
  16. Multicellular Animal Parasites
    • Eukaryotes
    • Mulitcellular animals
    • Flatworms and Roundworms-Helminths
    • Cant live w/out host
    • Egg life cycle
  17. Robert Hooke
    • 1665
    • Dicovered cells or tiny boxes
  18. Rudolf Virchow
    Said cells arise from peexisiting cells
  19. Anton Van Leeuwenhoek
    Dicovered live microorganisms
  20. Spontaneous generation
    Hypothesis that living organisms arise from nonliving matter
  21. Biogenesis
    Hypothesis that living organisms arise from preexiting life
  22. Pasteur
    • Pasteurization
    • Learned heat killed spoilage bacteria
    • "S" chaped flask
  23. Fermentation
    The conversion of sugar and alcohol to make beer and wine.
  24. Joseph Lister
    Developed chemical disinfectant used to prevent surgical infection
  25. Robert Koch
    • Prove that microbs cause disease
    • Kocks Postulates
  26. Edward Jenner
    • Discovered vaccination (cowpox)
    • Immunity
  27. Alexander Fleming
    • Discovered antiniotics
    • Penicillin killed S. aureus
  28. Bacteriology
    The study of bacteria
  29. Mycology
    The study of fungi
  30. Virology
    The study of viruses
  31. Parasitology
    The study of protozoa and parasitic worms
  32. Immunology
    The study of immunity
  33. Microbial genetics
    The study of how microbes inherit traits
  34. Molecular biology
    The study of how DNA directs protein synthesis
  35. Genomics
    The study of an orgamisms genes
  36. Recombinant DNA
    • DNA made from two different sources
    • Pauls Berg inserted animal DNA into bacteria DNA, the bacteria produces an animal protein
  37. Microbial Ecology
    • Bacteria recycle cardon, nutrients, sulfur, phosphorus that can be use by plants and animals
    • Can be good and bad
  38. Bioremediation
    • Bacteria degrade organic matter-sewage
    • Detoxifying pollutants-oil-mercury
  39. Biotechnology
    The use of microbes to produce food, chemicals
  40. Recombinant DNA technology
    • Enables bacteria and fungi to produce proteins-vaccines-enzymes
    • Gene therapy
  41. Normal Microbiota
    • Flora-all over body in and out
    • #1 defence-prevent growth of pathogens
    • Resistance-ability to ward off disease
    • Skin, stomach acid
  42. Biofilms
    Like to congregate, form communities
  43. Emerging Infectious Diseases EIDs
    New stronger diseases increase and # of cases increase
  44. Avian influenza A (bird flu)
    • influenza A viris
    • Waterfowl or poultry
    • Not yet human to human transfer
  45. MRSA
    • Methicillin-resistant Staphylococcus aureus
    • Basicaly resistant to everything-new strands

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