For the most part, all Enterobacteriaceae are positive for which biochemical reactions?

a. Glucose, oxidase, and catalase
b. Glucose, indole, and oxidase
c. Glucose, reduce nitrates to nitrites, and oxidase
d. Glucose, catalase, and reduce nitrates to nitrites


D
Enterobacteriaceae are facultative anaerobes that ferment glucose, are oxidase-negative, and, with rare exceptions, reduce nitrates to nitrites. Further, except for Shigella dysenteriae, type 1, all commonly isolated Enterobacteriaceae are catalase-positive.

Biology & Microbiology

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Biology & Microbiology