 "N. gonorrhoeae" is oxidase positive (possessing cytochrome c oxidase) and catalase positive (able to convert hydrogen peroxide to oxygen).When incubated with the carbohydrates lactose, maltose, sucrose, and glucose, "N. gonorrhoeae" will oxidize only the glucose.On its surface, "N. gonorrhoeae" bears hair-like pili, surface proteins with various functions, and sugars called lipooligosaccharides.