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Answer:

Polymer—Large organic molecules made of subunits called monomers. Polypeptide—A long chain of amino acids joined together by peptide bonds; a polypeptide makes up the primary structure of a protein. Polysaccharide—A carbohydrate made of many sugar subunits

Explanation:
Proteins. Proteins, among the most complex of all organic compounds, are composed of amino acids (see Figure 2-4), which contain carbon, hydrogen, oxygen, and nitrogen atoms. Certain amino acids also have sulfur atoms, phosphorus, or other trace elements such as iron or copper.



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