BiologyMediumHigh School (11–12)Biology in Human Welfare › Microbes in Human WelfareA-LevelIBAP EAPCETBCECECUET UGGUJCET
Created by StemPy LabWhich microbe is used in industry to make citric acid?
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← A list gives four pairs of fermented drinks. In which pair are both drinks the product of fermentation alone, with no heating of the broth afterwards?A brewery tests a batch of beer wort. Each litre holds 160 g of fermentable sugar. In the tank the yeast reaches 80 per cent of the best possible yield, which is 0.51 g of ethanol from each gram of sugar. Take the density of ethanol as 0.79 g per mL. About what per cent of the volume of the beer is ethanol? →
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