Figure 6. Catalase activity of all 12 E. coli strains in the study. Error bars represent error at a 95% confidence interval

From

Impact of Hydrogen Peroxide Treatment on Environmental Escherichia coli Strains

Giddey K.F., Kidd M., Britz T.J., Sigge G.O., Lamprecht C.

Journal of Applied & Environmental Microbiology. 2015, 3(2), 49-57 doi:10.12691/jaem-3-2-4