The biochemical pathway that the methyl red test confirms is:
A)glucose ® pyruvic acid ® mixed acid fermentation.
B)pyruvic acid ® glucose ® mixed acid fermentation.
C)glucose ® pyruvic acid ® acetoin ® diacetyl KOH.
D)butylene ® pyruvic acid ® diacetyl KOH.

Question

Quizplus · Accepted Answer

Bacteria are incubated in a media containing glucose.The bacteria utilize the glucose via the Embden-Meyerhof pathway.The end product of this pathway is pyruvic acid.Bacteria continue to oxidize the pyruvic acid into a variety of other acids.An indicator is added to the broth that will turn deep red if it is at a low pH.

The Biochemical Pathway That the Methyl Red Test Confirms Is