Discussion
Which of the following organisms is used by breweries for producing wine?
Answer: C
The organism is Saccharomyces cerevisiae.
This yeast ferments sugars in grape juice to alcohol and carbon dioxide, so it is used in making wine, beer and bread.
Lactobacillus makes curd, archaebacteria live in extreme habitats and Aspergillus is a mould used for enzymes and citric acid.
The yeast converts the sugar in fruit juices into ethanol and carbon dioxide without oxygen, a process called fermentation. This is used for wine, beer and bread. Lactobacillus works on milk to produce lactic acid, and Aspergillus is a fungus that makes enzymes and organic acids.
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