Negative acid from glucose tests indicate sugar was not metabolized to produce acids. How can growth be accomplished in a carbohydrate test medium when the sugar is not metabolized?
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Expert's answer
2012-07-17T09:02:59-0400
It can mean two possible variants: - a culture don't use sugar and groth only with aminoacids from peptone. - a culture has already utilized sugar and proceeded to peptone nutrition. It follows with a secondary alkalinization in the media.
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