Question

Structure of disaccharide formed by glucose and fructose is
given below. Identify anomeric carbon atoms in
monosaccharide units.
(a) 'a' carbon of glucose and 'a' carbon of fructose
(b) 'a' carbon of glucose and 'e' carbon of fructose
(c) 'a' carbon of glucose and 'b' carbon of fructose
(d) 'f ' carbon of glucose and 'f ' carbon of fructose

Answer 1

The anomeric carbon atoms in  monosaccharide units are  'a' carbon of glucose and 'b' carbon of fructose.

Option (C) is correct.

Explanation:

• a' carbon of glucose and 'b' carbon of fructose
• In the cyclic structure of glucose or fructose carbon adjacent to the oxygen atom is known as anomeric carbon.
• ‘a’ and ‘b’ are present adjacent to an oxygen atom.
• Both carbons differ in configurations of the hydroxyl group.

Thus the anomeric carbon atoms in  monosaccharide units are  'a' carbon of glucose and 'b' carbon of fructose.

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What is monosaccharides  ?

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Answer 2

Answer:

Element Carbon (C), Group 14, Atomic Number 6, p-block, Mass 12.011. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, ...

Origin of the name: The name is derived from the Latin ‘carbo’, charcoal

Discovery date: Prehistoric

Allotropes: diamond, graphite, graphene, amorphous, fullerene