What are the similarities and differences in the structure of the molecules of monosaccharides, disaccharides and polysaccharides.

Monosaccharides, or simple sugars, consist of 3-8 carbon atoms in a chain.
The disaccharide is formed by two residues of simple sugars and has the general formula C12H22O11. Monosaccharides and disaccharides are colorless crystalline substances, readily soluble in water, and sweet in taste.
Polysaccharides (high molecular weight substances) are periodic polymers whose monomers are repeating monosaccharide residues, most often glucose molecules. Unlike simple sugars, they have no sweet taste and, upon hydrolysis by enzymes or in the presence of acids, form glucose or other monosaccharides from which they were built.

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