Distinguish between mixed-acid fermentation and butanediol fermentation and describe the test(s) that can be used to detect each. Briefly describe the reactions and changes that take place during the decarboxylation of amino acids in the decarboxylase mediu

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter27: Amino Acids And Proteins
Section: Chapter Questions
Problem 27.50P
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Distinguish between mixed-acid fermentation and butanediol fermentation and describe the test(s) that can be used to detect each. Briefly describe the reactions and changes that take place during the decarboxylation of amino acids in the decarboxylase medium. Explain the experiment that you would perform in order to determine whether the organism that you were instructed instructed to identify is positive or negative for gelatin hydrolysis. How do microorganisms such as bacteria eliminate harmful reactive oxygen species? Nitrate reduction to nitrite is indicated by the formation of a pink to red color after addition of nitrate test reagent. However, if a culture does not produce a colour change several possibilities exist. Explain.
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