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Assigned a microbial cause to fermentation
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First to crystallize a virus
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Microbiology

Excelsior Exam

QuestionAnswer
Assigned a microbial cause to fermentation Louis Pasteur
First to crystallize a virus Wendell Stanley
Showed that mild heating of spirits kills spoilage bacteria without damage to the beverage Louis Pasteur
Devised a classification system for the streptococci based on immunological system of serotypes Rebecca Lansfield
Demonstrated that infections in obstetrical wards could be minimized by disinfecting the hands of physicians Ignaz Semmelweiss
Participated in determining the structure of DNA Francis Crick
First demonstrated that genetic information could be exchanged between bacteria by conjugation Joshua Lederberg
Demonstrated that maggots appeared only in decaying meat that had been exposed to flies Francesco Redi
Introduced the concept that living cells arise from other living cells Rudolph Virchow
Introduced the technique of vaccination for small pox Edward Jenner
First to use the microscope to observe cells Robert Hooke
Made an association between silkworm disease and a fungus Agostino Bassi
A surgeon who used carbolic acid to control wound infections Joseph Lister
First to speculate about the possibility of a "magic bullet" that would destroy a pathogen without harming the host Paul Ehrlich
Discovered PCN Alexander Fleming
Using anthrax as a model, demonstrated that a specific microorganism is the cause of a specific disease Robert Koch
Originated our system of scientific nomenclature Carolus Linnaeus
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