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Date of Award


Document Type


Degree Name

Master of Arts (M.A.)


Biological Sciences

First Advisor

Donald L. Lehmann

First Committee Member

Ernest P. Edwards

Second Committee Member

John S. Tucker


The purpose of the present work was three-fold: (1) to determine the number of microorganisms found in root beer ready for consumer used, (2) to study the effects of various temperatures and durations of incubation on this microbial population, and (3) to characterize the predominant species of contaminating bacteria.



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