BIOLOGY
CARBOHYDRATES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is NOT TRUE of a disaccharide?
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made up of two sugars
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sucrose is an example
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lactose is an example
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fructose is an example
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Explanation:
Detailed explanation-1: -The most common disaccharide is sucrose which gives D-(+)-glucose and D-(-)-fructose on hydrolysis. Both the monosaccharides i.e. glucose and fructose are connected through the glycosidic linkage between alpha glucose and second carbon beta fructose.
Detailed explanation-2: -Answer and Explanation: The incorrect statement is (a) fructose is a stereoisomer of glucose. a. Fructose is not a stereoisomer of glucose because it is bonded differently.
Detailed explanation-3: -Dextrose (glucose) is a monosaccharide. It does not represent a disaccharide.
Detailed explanation-4: -D. The disaccharide link is so strong that it cannot be broken during digestion. This is false.
There is 1 question to complete.