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Which of the following macromolecule is present in the lowest amount in bakers’ yeast?

(a) Lipids

(b) Minerals

(c) Moisture

(d) RNA

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Asked question is from Brewing Yeast topic in section Brewing Yeast of Fermentation Technology

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The correct answer is (c) Moisture

The explanation: Moisture is present in the lowest amount of 2-5% in bakers’ yeast. DNA and RNA are 6-8%, Minerals are 7-8% and lipids are 4-5% of the total macromolecular composition. Protein is present in the highest percentage with 42-46%. This macromolecular composition was given by Reed and Nagodarithana in 1991.

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