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A microbe produced positive methyl red results and negative Voges-Proskauer results. What may be concluded about...

A microbe produced positive methyl red results and negative Voges-Proskauer results. What may be concluded about the microbe's metabolism?

  • The microbe respires aerobically.

  • The microbe produces mixed acids but does not use the butanediol pathway.

  • The microbe uses the butanediol pathway but does not produce mixed acids.

  • The microbe produces mixed acids and uses the butanediol pathway.

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Answer #1

It shows that microbe produces mixed acids but does not uses butanediol pathway as it is anaerobic respiration.

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