Created by
Paul A. Gulig, Ph.D.
Department of Molecular Genetics and Microbiology
with assistance from
David Brumbaugh
What does this result mean?
A. Staphylococcus
No, there are no bubbles from oxygen (see the right panel for comparison) generated from the hydrogen peroxide by the
catalase enzyme that Staphylococci have, but Streptococci lack.