These bacteria are unable to ferment either lactose or glucose, but they can degrade the peptones present in the triple sugar iron (TSI) agar or Kligler's iron agar (KIA) aerobically or anaerobically, resulting in the production of alkaline by-products in the slant or deep, respectively, changing the indicator to a deep red color.What kind of bacteria cannot ferment lactose or glucose?
A)Nonenteric bacilli
B)Anaerobic bacilli
C)Gram-positive cocci
D)Gram-positive rods

Question

Quizplus · Accepted Answer

The nonenteric bacteria are unable to ferment either lactose or glucose, but they can degrade peptones in the slants, resulting in the production of alkaline by-products, changing the indicator to a deep red color.

These Bacteria Are Unable to Ferment Either Lactose or Glucose