Prior to inoculation with bacteria, the oxidation-fermentation media is green in colour. If the media is coloured yellow after incubation this indicates that: (select all that apply)

Question

Answer

the carbohydrate in the media was metabolised.

Answer

the pH indicator changed to yellow due to the production of acid.

Answer

the pH indicator changed to purple due to the production of a base.

Answer

the carbohydrate in the media was not metabolised.

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Prior to inoculation with bacteria, the oxidation-fermentation media is green in...

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