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Exam 1 Microbiology Questions and Answers
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Exam 1 Microbiology Questions and Answers
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Exam 1 Microbiology Questions andAnswers
Semmelweis - Correct Answers -Person who advocated hand-washing to prevention
transmission from one patient to another and did the study on Midwife & Doctor clinics
to lower death rates in pregnant women.
Leeuwenhoek - Correct Answers -First to observe microscopic organisms, creator of the
microscope.
Pasteur - Correct Answers -French chemist of fermentation.
- Microbial fermentation, disproved spontaneous generation, developed pasteurization,
anthrax vaccine, rabies vaccine, aseptic lab techniques.
Used swan-neck flask, boiled broth, open to air but not dust, no dirt got in.
Lister - Correct Answers -Introduces antiseptic surgery (phenol) is sprayed on the
wound to disinfect it.
Koch - Correct Answers -Invented pure culture on agar. Aseptic techniques are ways
from keeping the dish from getting contaminated. Koch invented the Germ Theory of
Disease.
Petri - Correct Answers -Petri dish, Petri another helper invented petri dish to hold
Koch's agar.
What cell type (prokaryotic, eukaryotic) are these microorganisms: algae, fungi,
bacteria, protozoa, archaea? - Correct Answers -Bacteria and archaea = Prokaryotic
Algae, Fungi, Protozoa = Eukaryotic
Why are viruses considered neither a prokaryotic nor eukaryotic cell type? - Correct
Answers -They do not have the cell structure of either cell types. "Not cellular." In order
to be pro- or eu- must be cells.
What is the proper way to designate the full genus and species names of e coli and s
aureus? - Correct Answers -The order is the genus and then the species name. The
genus is the shape of the cell and then the species is the color of the cell.
What is meant by the concept of "Germ Theory of Disease"? If this is a just theory why
does everyone believe it today? - Correct Answers -We believe it because a theory is
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