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What is a protein? A biologist explains

  • Written by Nathan Ahlgren, Assistant Professor of Biology, Clark University
imageJust 20 amino acids for chains in various combinations to create the thousands of varieties of proteins in our body.David Goodsell/ProteinDatabase, CC BY-SA

Editor’s note: Nathan Ahlgren is an assistant professor of biology at Clark University. In this interview, he explains exactly what proteins are, how they are made, and the wide variety...

Read more: What is a protein? A biologist explains

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