Which combination of nonfermenting gram-negative bacilli are oxidase positive, but do not grow on MacConkey agar within 24 to 48 hours

a. B. cepacia and Pseudomonas stutzeri
b. Brevundimonas dimunuta and Pseudo-monas veronii
c. P. aeruginosa and R. insidiosa
d. B. vesicularis and Acidovorax facilis


D
All organisms featured in Chapter 22 usually grow on MacConkey agar, except B. vesicularis and A. facilis. All genera also grow well in broth-blood culture systems and common nutrient broths, such as thioglycollate and brain-heart infusion.

Biology & Microbiology

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