is enterobacteria gram positive or gram negative
Gram negative rods (Enterobacteriaceae) Objective: 1- To identify Enterobacteriaceae from other Gram negative rods and to differentiate. between lactose fermenter and non lactose fermenter by: A. Detection of the presence of cytochrome oxidase in Gram-negative rods. B. To determine the ability of bacteria to metabolize glucose oxidatively or fermentatively. C. To know Gram reaction of Enterobacteriaceae. D. Use of MacConkey agar to differentiate between Lactose fermenter and non lactose fermenter. Enterobacteriaceae.