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Question

The prosthetic group of a conjugated protein classified as a glycoprotein is a

A
Chromomorphic group
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B
Polysaccharide
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C
Metal ion
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D
Lipid
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Solution

The correct option is B Polysaccharide
A conjugated protein is a protein that functions in interaction with other (non-polypeptide) chemical groups attached by covalent bonding or weak interactions. The non-amino part of a conjugated protein is usually called its prosthetic group. Most prosthetic groups are formed from vitamins. Glycoproteins are proteins that contain various amounts of carbohydrate. A number of very important proteins fall in this class, including many of the blood plasma proteins and a large number of en­zymes and hormones. The carbohydrate bonded at each site of the protein may consist of a sin­gle monosaccharide unit or a linear or branched chain of several mono saccharides (called an oligosaccharide).

So, the correct answer is 'Polysaccharide'.

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