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VetBact - 'Easy' Gram Staining Quiz



Question

Which of the following bacteria is/are Gram positive (G+) and which ones are Gram negative (G-)?
Species/subspeciesG+G-
  Staphylococcus hyicus (hyicus):
  Yersinia enterocolitica enterocolitica:
  Streptococcus equi zooepidemicus:
  Escherichia coli:
  Actinobacillus pleuropneumoniae:
 List correct answers

www.vetbact.org 2026-03-03