nursing Louisville, KY Questions and
Already Passed Answers.
Importance of microorganisms r/t the biosphere? - Answer Essential for cycling C, N, O; food
chains- at the base of all good chains.
.. R/t endosymbiotic relationships? - Answer Present in our intestines and aid digestion.
.. R/t foods production? - Answer Making bread, cheese, beer, and other fermented foods.
.. R/t disease? - Answer Microbial infections, viral infections.
A pathogenic microbe is? - Answer Disease causing?
Explain the binomial nomenclature system. - Answer Q organism has 2 names: genus and
specific epithet. Genus is cap. The specific epithet is lowercase. Both are italicized or underlined.
Ex: Escherichia coli.
What are the 3 domains? - Answer Eubacteria
Archaea
Eukarya
Eubacteria? - Answer (true bacteria)-prokaryotic, unicellular, peptidoglycan cell wall.
Archaea? - Answer prokaryotic, unicellular, no peptidoglycan in cell wall, unusual metabolism.
Eukarya? - Answer - eukaryotic (protista- protozoa/algae, fungi- yeast, molds and mushrooms,
animals and plants), unicellular or multicellular.
Explain bacteria. - Answer Prokaryotes, has peptidoglycan cell wall, various energy sources:
organic chemicals, inorganic chemicals, or photosynthesis.
, Fungi? - Answer Eukaryotes, chitin cell walls, use organic chemicals for energy, molds and
mushrooms are multicellular, yeasts are unicellular.
Protozoa? - Answer Eukaryotes, absorb or invest organic chemicals, motile via pseudopods,
cilia, or flagella.
Algae? - Answer Eukaryotes, photosynthesis for energy, produce O2 and organic compounds.
Viruses? - Answer Acellular (not considered living), surrounded by a protein coat which may
be enclosed in a lupus envelope, can only replicate when in a loving host.
What are helminths? - Answer Eukaryotes, multicellular, parasitic Flatworms and roundworms.
What is Linnaeus known best for establishing? - Answer The binomial nomenclature system.
What is Robert Hooke known for? - Answer Reported that living things are composed of little
boxes, or cells.
Anton van Leeuwenhoek? - Answer Described live microorganisms as "animalcules"
Louis Pasteur? - Answer Used curved neck flasks and boiled material in the flasks, showed
microbes are responsible for fermentation, and demonstrated pasteurization..
Lister (a surgeon)? - Answer Used a chemical disinfectant to prevent surgical wound infections.
Koch? - Answer Provided experimental steps, kochs postulates, too prove that a specific
microbe causes a specific disease.
Jenner? - Answer Discovered the first vaccination, smallpox.
Ehrlich? - Answer Developed salavarsan, too treat syphilis.
Fleming? - Answer Discovered the 1st antibiotic, penicillin.