Which two organisms should be used for quality control purposes to determine the validity of the indole reagent?
A)E.meningoseptica and Empedobacter brevis
B)Chryseobacterium spp.and E.meningoseptica
C)E.meningoseptica and Sphingobacterium multivorum
D)Agrobacterium group and Sphingobacterium spiritivorum

Question

Quizplus · Accepted Answer

The only two organisms that are both positive and negative for indole,respectively,are E.meningoseptica and S.multivorum.

Which Two Organisms Should Be Used for Quality Control Purposes