Which of the following is a disaccharide?

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Multiple Choice

Which of the following is a disaccharide?

Explanation:
Disaccharides are sugars formed when two monosaccharide units join together through a glycosidic bond. This creates a single molecule made of two sugar units. Sucrose is the disaccharide here because it is composed of two monosaccharides—glucose and fructose—linked together. The bond involves both of their anomeric carbons, which is why sucrose is non-reducing. The other options are individual monosaccharides: glucose, fructose, and galactose are each a single sugar unit, not two joined together.

Disaccharides are sugars formed when two monosaccharide units join together through a glycosidic bond. This creates a single molecule made of two sugar units.

Sucrose is the disaccharide here because it is composed of two monosaccharides—glucose and fructose—linked together. The bond involves both of their anomeric carbons, which is why sucrose is non-reducing.

The other options are individual monosaccharides: glucose, fructose, and galactose are each a single sugar unit, not two joined together.

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