What do polysaccharides,such as cellulose; nucleic acids,such as DNA; and proteins,such as keratin,have in common?

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Polysaccharides, nucleic acids, and proteins are all macromolecules made up of smaller, subunit molecules called monomers, which are chemically linked together to form larger structures. For example, polysaccharides are made up of monosaccharide monomers, nucleic acids are made up of nucleotide monomers, and proteins are made up of amino acid monomers.

What Do Polysaccharides,such as Cellulose; Nucleic Acids,such as DNA; and Proteins,such