+Proteins are fundamental [macromolecules](/wiki/macromolecule), serving as the versatile building blocks and crucial workers of all living organisms. They perform a vast array of functions, from catalyzing [biochemical reactions](/wiki/biochemical_reaction) to providing structural support and transporting vital substances.
+## See also
+- [Amino Acid](/wiki/amino_acid)
+- [Enzyme](/wiki/enzyme)
+- [DNA](/wiki/DNA)
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