Select the correct statements about MacConkey agar. (Check all that apply)
Check All That Apply
A. The lactose in MacConkey agar is inhibitory to Gram positive cocci.
B. The selective ingredients in MacConkey agar are crystal violet and bile salts.
C. The growth of Gram positive bacteria is inhibited on MacConkey agar.
D. Most Gram negative bacilli grow well on MacConkey agar.
E. The pH indicator in MacConkey agar is crystal violet.
F. The differential ingredients in MacConkey agar include lactose and neutral red.

Lactose-fermenting Gram negative bacilli will form pink-purple colonies on MacConkey agar.