Created by
Paul A. Gulig, Ph.D.
Department of Molecular Genetics and Microbiology
with assistance from
David Brumbaugh
What does this Gram stain show?
B. Gram-positive cocci in clumps.
Yes, they are purple, round cells in clumps.
Does this mean the bacteria must be staphylococci?
A. Yes.
B. No.