VetBact - Standard Gram Staining Quiz

Question

Species/subspecies	G+	G-
Which of the following bacteria is/are Gram positive (G+) and which ones are Gram negative (G-)?
Listeria monocytogenes:
Pasteurella pneumotropica:
Salmonella enterica enterica:
Burkholderia mallei:
Helicobacter pylori:
List correct answers