An organism, observed on direct Gram stain from a clinical specimen, does not grow on blood or chocolate agars incubated at 35°C in CO2. This can be explained by all of following statements except
A) the organism is an anaerobe.
B) the organism is dead due to previous antibiotic therapy.
C) the organism requires nicotinamide adenine dinucleotide for growth.
D) the organism is fastidious and is not being provided the growth factor it needs.
Correct Answer:
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