What are carbohydrates? How are they classified? Give uses of lactose
Answers
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A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen .
There are several methods of classification, but the most common method is based on the number of sugar units they contain.
Explanation:
Number of Sugar Units
Monosaccharides — 1 unit, e.g. glucose
Oligosaccharides —2 to 9 units
o Disaccharides — 2 units, e.g. sucrose
Polysaccharides — ≥ 10 units, e.g., starch.
Lactose, a milk carbohydrate, has high nutritional value and is mainly used as constituent of foods and medicinal products.
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Answer:
Carbohydrates are formed by green plants from carbon dioxide and water during the process of photosynthesis. Carbohydrates serve as energy sources and as essential structural components in organisms; in addition, part of the structure of nucleic acids, which contain genetic information, consists of carbohydrate.