BIOMOLECULES AND ENZYMES

BIOLOGY

MONOSACCHARIDES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the carbon-oxygen bond called found in Disaccharides?
A
Polar Covalent Bond
B
Ether
C
Glycosidic Linkage
D
Ester
Explanation: 

Detailed explanation-1: -The formation of an acetal (or ketal) bond between two monosaccharides is called a glycosidic bond or glycosidic linkage. Therefore, disaccharides are sugars composed of two monosaccharide units that are joined by a carbon–oxygen-carbon linkage known as a glycosidic linkage.

Detailed explanation-2: -Disaccharides. Disaccharides are composed of two monosaccharide units linked together by a glycosidic bond. The most common glycosidic bonds connecting monosaccharide units are O-glycosidic bonds in which the oxygen from a hydroxyl group becomes linked to the carbonyl carbon.

Detailed explanation-3: -A glycosidic bond or glycosidic linkage is a type of covalent bond that joins a carbohydrate (sugar) molecule to another group, which may or may not be another carbohydrate.

Detailed explanation-4: -An O-glycosidic bond is formed when the anomeric carbon of the sugar establishes a link with the oxygen atom in the hydroxyl group of the alcohol. If, on the other hand, the anomeric carbon of the sugar makes the link with the nitrogen atom of an amine, the bond is referred to as an N-glycosidic bond.

Detailed explanation-5: -An alpha glycosidic linkage is formed between the carbons with the same stereochemistry. A beta glycosidic linkage is formed between the carbons having different stereochemistry.

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