BIOMOLECULES AND ENZYMES

BIOLOGY

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A carbohydrate that contain two monosaccharide units bound together by a covalent bond.
A
monosaccharide
B
disaccharides
C
saccharides
D
polysaccharides
Explanation: 

Detailed explanation-1: -Disaccharides consist of two monosaccharide units, linked by glycosidic bonds in the or orientation. The most important disaccharides are sucrose, lactose, and maltose. Sucrose consists of a molecule of -glucose and a molecule of -fructose linked together (Figure 2A).

Detailed explanation-2: -Disaccharides. Disaccharides (di-= “two”) form when two monosaccharides join together via a dehydration reaction, also known as a condensation reaction or dehydration synthesis.

Detailed explanation-3: -Disaccharides form when two monosaccharides undergo a dehydration reaction (a condensation reaction); they are held together by a covalent bond.

Detailed explanation-4: -Disaccharides (C 12H 22O 11) are sugars composed of two monosaccharide units that are joined by a carbon–oxygen-carbon linkage known as a glycosidic linkage. This linkage is formed from the reaction of the anomeric carbon of one cyclic monosaccharide with the OH group of a second monosaccharide.

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