BIOMOLECULES AND ENZYMES

BIOLOGY

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the most common and most abundant disaccharide?
A
sucrose
B
maltose
C
lactose
D
glucose
Explanation: 

Detailed explanation-1: -Sucrose is the most abundant and consists of a molecule of -glucose and -fructose linked together (Figure 2(a)).

Detailed explanation-2: -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-3: -Sucrose is the most abundant sugar found in nature, and occurs in the greatest quantities in sugar cane and sugar beets, which are used to produce sugar for use at home and in food products. Whether produced from cane or beet, the result is the same: pure sugar.

Detailed explanation-4: -There are many different types of sugars, the most common of which is sucrose, otherwise known as table sugar, granulated sugar or just plain “sugar.” If you use sugar to bake or sweeten coffee or tea, sucrose is probably the type of sugar you are using.

Detailed explanation-5: -The three major disaccharides are sucrose, lactose, and maltose. Sucrose, which is formed following photosynthesis in green plants, consists of one molecule of glucose and one of fructose bonded via an -, -linkage.

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