Enterobacter aerogenes on EMB
Serratia marcescens on MacConkey
Staphlococcus epidermidis on MSA
Enterobacter aerogenes and Escherichia coli in TSI
Methyl Red Test: both tubes are Enterobacter aerogenes
Citrate Test: Enterobacter aerogenes
Enterobacter aerogenes on MacConkey
Micrococcus luteus on MSA
Bacillis subtilis on MSA
Escherichia coli in motility agar (motile)
Serratia marcescens in TSI
Indole Test: Escherichia coli
Methyl Red Test: Escherichia coli
Citrate Test: Escherichia coli