BIOMOLECULES AND ENZYMES

BIOLOGY

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is an example of disaccharide?
A
Sucrose
B
Fructose
C
Galactose
D
Glucose
Explanation: 

Detailed explanation-1: -A disaccharide (also called a double sugar ) is the sugar formed when two monosaccharides (simple sugars) are joined by glycosidic linkage . Like monosaccharides, disaccharides are soluble in water. Three common examples are sucrose, lactose, and maltose.

Detailed explanation-2: -Disaccharides consist of two monosaccharide units, linked together with glycosidic bonds in the or orientation. The most important of them are sucrose, lactose, and maltose.

Detailed explanation-3: -Sucrose and trehalose are examples of non-reducing disaccharides because their glycosidic bond is between their respective hemiacetal carbon atoms. The reduced chemical reactivity of the non-reducing sugars in comparison to reducing sugars, may be an advantage where stability in storage is important.

Detailed explanation-4: -Reason: Sucrose is a disaccharide consisting of glucose and fructose units.

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