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-)?
Chlamydia trachomatis:
Escherichia coli:
Brucella abortus:
Clostridium botulinum, group I:
Campylobacter fetus fetus:
List correct answers