VetBact - 'Easy' 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-)?
Staphylococcus hyicus (hyicus):
Campylobacter jejuni jejuni:
Proteus mirabilis:
Bacillus cereus:
Helicobacter pylori:
List correct answers