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Question
Barely is ground to powder. The powder is mixed with water and some yeast. The mixture is kept in a closed and moist container. Which of the following will be produced?
Barely is ground to powder. The powder is mixed with water and some yeast. The mixture is kept in a closed and moist container. Which of the following will be produced?
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Solution
The correct option is D Alcohol and Carbon dioxide
In the basic steps of production of ethyl alcohol, the usual sources of raw material for alcohol production from starch are cereal grains such as corn, wheat, rye, barley, rice, etc. Yeast produces enzymes of its own to convert complex sugars. Since sugar conversion and alcohol conversion can take place simultaneously, the amylase enzymes and the yeast work in cooperation to convert the dextrins to glucose and fructose and then to alcohol and CO2. Conversion of sugars to alcohol and CO2 will be completed in three to five days, depending on the temperature of the mixture and the type of yeast used. So, the correct answer is option D.
In the basic steps of production of ethyl alcohol, the usual sources of raw material for alcohol production from starch are cereal grains such as corn, wheat, rye, barley, rice, etc. Yeast produces enzymes of its own to convert complex sugars. Since sugar conversion and alcohol conversion can take place simultaneously, the amylase enzymes and the yeast work in cooperation to convert the dextrins to glucose and fructose and then to alcohol and CO2. Conversion of sugars to alcohol and CO2 will be completed in three to five days, depending on the temperature of the mixture and the type of yeast used.
So, the correct answer is option D.
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