NUTRITION
CARBOHYDRATES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is a disaccharide?
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Three monosaccharides joined by a covalent bond
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Two monosaccharides joined by a peptide bond
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Two monosaccharides joined by a covalent bond
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None of the above
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Explanation:
Detailed explanation-1: -Two monosaccharide molecules may chemically bond to form a disaccharide. The name given to the covalent bond between the two monosaccharides is a glycosidic bond . Glycosidic bonds form between hydroxyl groups of the two saccharide molecules.
Detailed explanation-2: -All of the monosaccharides are connected together by covalent bonds. The molecular weight may be 100, 000 daltons or more depending on the number of monomers joined. Starch, glycogen, cellulose, and chitin are primary examples of polysaccharides.
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