A microbiologist sets up a set of decarboxylase tubes for identification of a glucose fermenting, gram-negative rod. After 24 hours, the tubes reveal
Base control: gray
Arginine: purple
Lysine: yellow
Ornithine: purple
These tubes should be interpreted as
A) all positive.
B) invalid.
C) positive for arginine and ornithine.
D) positive for lysine.
Correct Answer:
Verified
Q2: A yellow ONPG test indicates production of
A)
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Q7: Which biochemical test requires the use of
Q8: Which of the following reagents are required
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Q10: Prior to adding reagent(s) and interpretation, the
Q11: The proper amount and order of addition
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