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Question

Sucrose or cane sugar is made of two hexosan residues of

A
Glucose and fructose
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B
Glucose and galactose
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C
Fructose and galactose
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D
Galactose and mannose
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Solution

The correct option is A Glucose and fructose
Sucrose is formed by the glycosidic linkage between glucose and fructose. The bond is formed between the between C1 on the glucosyl subunit and C2 on the fructosyl unit. It has no free aldehyde or keto group so they are known as non- reducing sugar. The anomeric carbon of glucose and fructose forms the glycosidic bonds.
So, the correct answer is option A.

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