Exam (elaborations)
Microbiology test 1 Galen exam with complete solutions 2024_2025
- Course
- Microbiology
- Institution
- Galen College Of Nursing
Microbiology test 1 Galen exam with complete solutions 2024_2025
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Microbiology test 1 Galen exam withcomplete solutions 2024/2025
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.
Explain archaea. - ANSWER-Prokaryotes, no peptidoglycan, love in extreme
environments, unusual metabolisms. Includes methanogenes, extreme
halophiles, extreme thermophiles.
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"
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