+Proteins are the intricate workhorses of life, essential [macromolecules](/wiki/macromolecule) present in every living cell. Composed of folded chains of [amino acids](/wiki/amino_acid), they perform a diverse range of functions, from building structures and transporting molecules to catalyzing biochemical reactions.
+## See also
+- [DNA](/wiki/DNA)
+- [Enzyme](/wiki/Enzyme)
+- [Cell](/wiki/Cell)
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