A Gram-Negative Bacillus That Is Hydrogen Sulfide (H₂S)-Positive,citrate-Positive,spot Indole-Negative,and Associated
A gram-negative bacillus that is hydrogen sulfide (H₂S) -positive,citrate-positive,spot indole-negative,and associated with gastroenteritis in the United States is most likely:
A) K.pneumoniae.
B) P.vulgaris.
C) Salmonella enteritidis.
D) S.sonnei.
Correct Answer:
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Q11: On MacConkey agar,Serratia spp.would appear:
A)red.
B)colorless.
C)green.
D)yellow.
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