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Which of the following is not a nitrogen source?

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+2 votes
in Fermentation Technology by (72.1k points)
Which of the following is not a nitrogen source?

(a) Waste liquor

(b) Corn steep

(c) Yeast extract

(d) Peptones

I have been asked this question in an online quiz.

My query is from Media for Industrial Fermentations topic in division Media for Industrial Fermentations of Fermentation Technology

1 Answer

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Best answer
Correct option is (a) Waste liquor

To explain: The waste liquor is a part of carbon sources. Corn steep, yeast extract, peptones, etc. are nitrogen sources. Corn steep and yeast extract is useful in the production of alcohol and peptones are required for breaking the peptide bond of proteins.

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