Question

Which of the following correctly describes a reaction that forms a disaccharide from two monosaccharides?


Glycogen + fructose → maltose

Galactose + glucose → lactose

Glucose + sucrose → fructose

Maltose + lactose → cellulose

Answer 1

The reaction that correctly describes the formation of a dissachareide form monosaccharide is:

Galactose + glucose → lactose

Option (2) is correct.

Explanation:

• Disaccharides are formed form Monosaccharides.
• Monosacccharides are the building blocks or unit cells of disaccharides.
• The examples of monosaccharides are glucoes, galactose and fructose.
• They are also known as simple sugars.
• They are soluble in water.

• A disaccharide is a sugar formed when two monosaccharide units join together through glycosidic linkage.

• Disaccharides are soluble in water.
• Three common examples are sucrose, lactose, and maltose.

The reaction that correctly describes the formation of a disaccharide form monosaccharide is:

Galactose + glucose → lactose

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Answer 2

Answer:

The reaction that correctly

describes the formation

of a dissachareide formn

monosaccharide is:

Galactose t glucose

lactose

Option (2) is correct.