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Carbohydrates present in cell membrane are generally ___________

(a) Monosaccharides

(b) Disachharides

(c) Oligosaccharides

(d) Polysaccharides

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This key question is from Chemical Composition of Membranes topic in division Cellular Membranes of Cell Biology

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Correct option is (c) Oligosaccharides

To elaborate: The modification of membrane proteins by addition of carbohydrates occurs by a process called glycosylation. The carbohydrate of glycoproteins is present as short, branched hydrophilic oligosaccharides. In contrast to long-chained polysaccharides, they only have upto 15 sugars per chain.

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