Option B is the correct answer.
What is a disaccharide?
A disaccharide is a molecule which is made of two units of monosaccharide which is linked together by a glycosidic bond.
Example: Sucrose, lactose
Disaccharides, also called double sugar, is any substance that is composed of two molecules of simple sugars (monosaccharides) linked to each other. Disaccharides are crystalline water-soluble compounds.
Hence, option B is the correct answer.
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