If an organism fermented glucose only and utilized peptones, what would the triple sugar iron (TSI) reaction be?
A)Acid/acid
B)Alkaline/acid
C)Alkaline/alkaline
D)Acid/alkaline

Question

Quizplus · Accepted Answer

The acid produced from this concentration of glucose is enough to initially change the indicator to yellow throughout the medium.After 12 hours, the glucose will be consumed and the bacteria on the slant will utilize the peptones aerobically, producing an alkaline reaction, changing the indicator to a deep red color.

If an Organism Fermented Glucose Only and Utilized Peptones, What