micro lab quiz

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BrigittaLis
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78935
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micro lab quiz
Updated:
2011-04-11 18:03:27
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micro lab quiz
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micro lab quiz
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  1. dimorphic
    Dimorphic fungi have both mold and yeast life-cycle stages
  2. Chitin
    A polysaccharide that makes up the cell wall of members of the kingdom fungi.A tough, protective, semitransparent substance, primarily a nitrogen-containing polysaccharide, forming the principal component of arthropod exoskeletons and the cell walls of certain fungi.
  3. Saprophytes
    Heterotrophs that decompose dead organic matter
  4. Hyphae
    Individual fungal filaments, tube-like extensions of the cytoplasm
  5. Septate
    Hyphae in which walls separate adjacent cells (septums)
  6. Nonseptate
    absence of septate
  7. What are the two typical life cycle stages of protazoans?
    The two typical life-cycle stages of protazoans include a vegetative trophozoite stage and a resting cyst stage. Some have additional stages, making their life cycles more complex.
  8. Etamoeba hystolitica
    • Disease: Amoebic dysentery (amebiasis) a disease most common in areas with poor sanitation.
    • - Transmission: Infection occurs when a uman host ingests cysts, either through fecal-oral contact or, more typically, contaminated food or water. Cysts are able to withstand the acidic environment of the stomach. Upon entering the less acidid small intestine, the cysts undergo excystation. Mitosis produces eight small trophozoites from each cyst.
    • - Presence/absence of flagella: absent
  9. plasmodium vivax
    • - Disease: Malaria
    • - Transmission: Vector, the female anopheles mosquito
    • - Presence/absence of flagella: absent
  10. Giardia lamblia
    • - Disease: Malaria
    • - Transmission: Vector, the female anopheles mosquito
    • - Presence/absence of flagella: absent
  11. clonorchis sinensis
    • - Disease: Malaria
    • - Transmission: Vector, the female anopheles mosquito
    • - Presence/absence of flagella: absent
  12. diplidium caninum
    • - Diplidium Caninum: Common parasite of dogs and cats, human infection usually occurs in children, The adult worms reside in dog/cat intestines and releases proglottids ontaining egg packets that migrate out of the anus and look like rice grains. Diagnosis made by ID of the egg packets.
    • Often just infects organisms inflicted with fleas
    • (couldn't find a specific disease it causes, just "worms")
  13. Echinococcus granulosis
    • Echinococcus granulosus, also called the Hydatid worm or Hyper Tape-worm, is a cyclophyllid cestode that parasitizes the small intestine of canids as an adult, but which has important intermediate hosts such as livestock and humans, where it causes hydatid disease.
    • Leads to the development of a hydatid cyst in the lung, liver, or other organ, this process may take many years.

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