4. Write a short note on :
(a) Antibiotics
(b) Spoilage of food
(c) Canning
(d) Commercial production of alcohol
Answers
Explanation:
a)Antibiotics fight bacterial infections either by killing bacteria or slowing and suspending its growth. They do this by: attacking the wall or coating surrounding bacteria. interfering with bacteria reproduction.....
b)Food spoilage results when microbiological, chemical, or physical changes occur, rendering the food product unacceptable to the consumer. Microbiological food spoilage is caused by the growth of microorganisms which produce enzymes that lead to objectionable by-products in the food
c)The definition of canning is the act of preserving food in jars, or firing someone. When you cut up cucumbers and make them into pickles that you preserve in a jar to eat throughout the winter, this is an example of canning.
d)Commercial alcohol includes Methanol, Ethanol, Isopropanol, and Ethylene Glycol. Ethanol is used as a solvent, as a fuel additive, in medicines, lotions. Ethanol is generally referred as common alcohol. Ethanol is produced by fermentation of sugars...
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