Klebsiella Characteristic mucoid colonies are a consequence of the organism’s abundant polysaccharide capsule. Lactose-fermenting colonies
Escherichia coli colonies Lactose-fermenting ...
gram : negative
rod shape
motile
oxidase :negative
catalse :positive
citrate : positive
indole : negative
urease :negative
ferments lactose with gas production during a 48-hour incubation ...