microbes. the virus genetic material + protein coat geometric shapes non -living, reproductive...
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MICROBES
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The Virus Genetic material + Protein coat Geometric shapes Non -living, Reproductive machine
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VillainsHIVHepatitisHerpes InfluenzaSmallpoxEbola
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Infective PathwaysLytic
Virus recognizes cell begins cycle of infection immediately. (illness begins) (influenza, common cold, ebola)
Lysogenic
Virus “hides” in genetic material of host. (provirus) Infective cycle is delayed & infection is harder to treat. (HIV, hepatitis, herpes)
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http://www.youtube.com/watch?v=Ez-_wBriTTo&feature=related
Vaccines
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Heroes ?Variegated
leaves - flowers
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CONTROL Vaccines
Temperate – harmless form of a virus is injected
Live – small amts of weakened virus
BOTH encourage the immune system to make antibodies.
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http://www.youtube.com/watch?v=zG4hX8TEkAAhttp://www.youtube.com/watch?v=SoF_eKtbonU&feature=related
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BacteriaSmallest living organismSurvive in every environmentHelpful & harmful3 shapes, orientations
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Spherical (Coccus)
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Rod (Bacillus)
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Helical (Spirillum)
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Gram + / Gram -Staining technique used to help identify
bacterial floraGram + flora = peptidoglycan in cell wall
(stain purple in crystal violet)Gram – flora = no ppg, turn pink when
safranin counter stain added.
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Heroes !Help digest food, absorb nutrientsBoost immune system
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Beneficial species
AcidophilusL. casei
immunitas
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Villains E. coli
0157
Botulinum Anthrax
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Exposure ?Contaminated foodUnclean handsAnimal carriersWarfare
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Protection ? WASH HANDS ! Clean / inspect food Clean, pest free living
area Vaccines Be alert
http://youtube.com/watch?v=4lmwbBzClAc&feature=related
http://www.youtube.com/watch?v=tqOVYpkZ0qs
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Treatment
•Alexander Fleming•1928 Penicillium notatum mold •Killed bacteria in culture•First Antibiotic – transformed treatment of disease and infection
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BEWAREAntibiotic resistance 1. Misuse treatments for viral
infections or repeatedly for bacterial infections
2. Not all bacteria are destroyed by the antibiotic
3. Stronger, resistant bacteria remain
4. More difficult to destroy the bacteria when it infects again
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MRSAMethicillin Resistant Staphylococcus aureus
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Page 468 - textDiagram, color and label the typical bacterium in your notes
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Protists
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Single cell critters (Protists)Eukaryotes (true nucleus, organelles)Base of food webBoth free living and parasitic
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Protist Classification
Rhizopods (amoeba)
Ciliates (paramecium)
Sporozoans (malaria- Plasmodium)
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Rhizopod Locomotion
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Ciliate Locomotion
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Flagellate Locomotion
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VillainsEntameba histolytica (dysentery)Plasmodium (malaria)
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PARASITIC PROTISTS
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Protist Populations
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MicrobesBoth helpful & harmful…Many that are harmful can be treatedAvoid contaminated food, waterVaccines when available !Common sense