Biology : PU-CET (U.G) 2018 Panjab University Entrance Exam With Answers

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10.

Which One Of The Following Is Correct For Sucrose Disaccharide?

A: Glucose α 1-4 Fructose

B: Glucose α 1-2 Fructose

C: Fructose α 1-4 glucose

D: Fructose α 1-2 glucose

The answer is: B

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Explanation

The correct option for the structure of sucrose disaccharide is B: Glucose α 1-2 Fructose

Sucrose is a disaccharide composed of one glucose molecule and one fructose molecule joined by an α-1,2 glycosidic linkage.