Question

Why are glucose building unit of all carbohydrates?

Answer 1

Monosaccharides (e.g. glucose) and disaccharides (e.g. sucrose) are relatively small molecules. They are often called sugars. Other carbohydrate molecules are very large (polysaccharides such as starch and cellulose). ... a source of energy for the body e.g. glucose and a store of energy, e.g. starch in plants.

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