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Microbiology exam 1 (Chapters 1-5) Questions and Answers Fully Solved
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Microbiology exam 1 (Chapters 1-5)
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Microbiology exam 1 (Chapters 1-5)95% - answer What percentage of bacteria are non-pathogens?
1% - answer What percentage of bacteria cause human diseases?
Microbiology - answer What is a specialized are of biology that deals with living things
too small to be seen?
rapidly, large - answer Microbes are easy to study because they grow__________ and
can be grown in ___________ populations.
small, microscope - answer Microbes are difficult to study because they are too
__________ to be directly seen and have to be observed under a ______________.
foods, antibiotics - answer Microbes are used to produce several _________ like
cheese, beer, sauerkraut, bread and many ___________ like penicillin.
decomposers - answer Bacteria can be used as a primary __________ for recycling
nutrients.
chemicals - answer Bacteria synthesize ____________ for our body needs but cannot
produce on our own.
reproduction - answer Bacteria have a very simple and rapid rate of _______________
and metabolism.
Insulin, Interferon - answer Bacteria can be used to produce enzymes and proteins such
as __________, HGH, and _____________ for gene therapies.
Bacteria - answer Which type of microbe is a prokaryotic (no nucleus), has a
peptidoglycan cell wall and reproduces by binary fission and gains energy through the
use of organic chemicals and photosynthesis?
Archean - answer Which type of microbe is a prokaryotic, has no peptidoglycan and
lives in extreme environments?
Fungi - answer Which microbe is eukaryotic (has a nucleus), has a chitin cell wall, uses
organic chemicals for energy?
multicellular, unicellular - answer Molds are ______________, while yeasts are
_____________.
, Protozoa - answerWhich microbes are eukaryotes, absorb or ingest organic chemicals,
may be motile and some are parasitic?
Viruses - answerWhat are aceullular, require host machinery, can infect all living cells,
are parasitic, and have a protein-coated genetic elements?
nucleus - answerEukaryotes have a what?
nucleus - answerProkaryotes don't have a what?
proven - answerTheory of evolution has been ____________ and is an observable
phenomenon that is testable by science and thus is widely excepted.
Aristotle - answerWho came up with the idea of spontaneous generation of life from
nonliving matter?
Robert Hooke - answerWho created the first use of magnification to see things closer?
Leeukwenhoek - answerWho manufactured the first microscope?
Redi - answerWho first challenged the belief of spontaneous generation with his maggot
and fly experiment?
Louis Pasteur - answerWho did a series of experiments to show that airborne
contaminants was spoiling a broth in his swan neck shaped flasks?
1. Specific microorganism is present in all cases of the disease
2. Organism can be obtained in pure culture outside of the host
3. Organism when re-inoculated into host causes the same symptoms
4. Organism can be isolated in pure culture from experimentally infected host -
answerWhat were Koch's Postulates?
eukaryotes - answerWhat contains organelles?
Prokaryotes - answerWhat kind of cells lack organelles and are about 10X smaller than
eukaryotes?
Viruses - answerWhat kind of cells are not independently living cellular organisms, are
composed of hereditary material, and are inside of a host organism?
helminth, virus, protozoa, bacteria, fungi - answerVirus, Fungus, Bacteria, Protozoa,
Helminth: arrange from largest to smallest?
Monomoers - answerWhat are subunits of macromolecules?
Polymers - answerWhat are chains of various lengths made up of monomers?
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