Salmonella, Shigella, Yersinia, and Serratia are all

Salmonella, Shigella, Yersinia, and Serratia are all

Salmonella, Shigella, Yersinia, and Serratia are all








A) Pathogens.
B) Gram-negative facultatively anaerobic rods.
C) Gram-positive aerobic cocci.
D) Fermentative.
E) None of the above.










Answer: B