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Unformatted text preview:animals, oils and waxes repel water, and prevents drying, component of cell membranes, signals hormones that travel through the body Glycosidic ; Peptide Ester; Phosphodiester Proteins hydrophobic & hydrophilic R group Amino acids, collagen Nucleic acids, hydrophobic & hydrophilic R group DNA structure, structural support, store amino acids, transport substances, cellular communications and movement, defense against foreign substances, receive Glycosidic ; Peptide Ester; Phosphodiester signals from outside cell Nucleic Acids Complementary base pairing 3 Parts of a monomer DNA and RNA Genetic material, stores all hereditary material, carries protein coding instructions Glycosidic ; Peptide Ester; Phosphodiester Page 2