Polysaccharides are which type of biomolecule class?

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Polysaccharides are carbohydrates. They are long chains built from many sugar units (monosaccharides) joined by glycosidic bonds. This sugar-based composition and the roles they play—as energy stores like starch and glycogen, and as structural materials like cellulose and chitin—define them as carbohydrates. Nucleic acids are made from nucleotides and store genetic information; lipids are diverse hydrophobic molecules often forming membranes or storing energy but aren’t built from sugar units; proteins are polymers of amino acids with catalytic and structural roles. So the structure and primary function of polysaccharides align with the carbohydrate class.