Question:
Yeast is used in the production of
Yeast is used in the production of
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Yeast is a unicellular fungus. Reproduction in yeast occurs asexually through budding or division. For multiplication and growth, yeast is dependent on oxygen and food in the form of sugar. The byproduct of sugar after consumption by yeast is an important commercial substance.
Updated On: Sep 14, 2022
- bread and beer
- cheese and butter
- citric acid and lactic acid
- lipase and pectinase
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The Correct Option is A
Solution and Explanation
Yeast (Saccharomyces cerevisae) is used to produce bread and beer.
Some important characteristic properties of yeast are:
- Yeast is a eukaryotic and single-celled fungus.
- The commonly used species of yeast is Saccharomyces cerevisiae, also known as baker's yeast.
- The yeast is used in the production of fermented products like cakes, bread, and alcohol.
- Yeast converts the fermentable sugars present in the substrate to produce carbon dioxide and ethanol.
- The carbon dioxide gas makes the dough of bread and cake soft and fluffy.
- There are pores in the bread and cakes which is due to the carbon dioxide gas bubbles which get trapped during the process of baking.
Also Read: Economic Importance of Fungi
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Concepts Used:
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There are several valuable microorganisms that are beneficial to humans in various manners such as:
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- Fermentation of milk to produce yogurt.
- Milk cuddling to compose curd, cheese, and paneer.
In Industrial Products
- Production of beverages such as wine, beer, whiskey, brandy, or rum.
- Production of antibiotics such as Penicillin and other chemical substances to kill or retard the expansion of disease-causing microbes.
Fermented Beverages
- A fermentor is used to produce microbes on a large scale for industrial purposes.
- The brewer’s yeast (Saccharomyces cerevisiae) is used to make ethanol. At this time, the yeast ferments malted cereals and fruit juices.
Antibiotics
- The term antibiotic means “against life”. These materials can kill or destroy the growth of other microbes.