BIOMOLECULES AND ENZYMES

BIOLOGY

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which reaction is needed to join two monosaccharides?
A
Hydration
B
Dehydration
C
Dehydrogenation
D
Hydrolysis
Explanation: 

Detailed explanation-1: -Disaccharides (di-= “two”) form when two monosaccharides undergo a dehydration reaction (also known as a condensation reaction or dehydration synthesis).

Detailed explanation-2: -Monosaccharides are bonded with each other through glycosidic linkage. This linkage is formed by the reaction of –OH groups of two monomer units with the elimination of water molecules. Formation of maltose is an example of a dehydration synthesis reaction.

Detailed explanation-3: -A condensation reaction between two monosaccharides forms a glycosidic bond. Disaccharides are formed by the condensation of two monosaccharides: maltose is a disaccharide formed by condensation of two glucose molecules.

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