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-)?
Treponema pallidum pallidum:
Brucella suis:
Bacillus anthracis:
Clostridium botulinum, group I:
Clostridioides difficile:
List correct answers