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MAIN
GLOSSARY
Amino acid
Amino acids are small molecules that make up proteins. There are over 100 different amino acids, but our body uses only 20 amino acids to make all of its proteins. Our body can manufacture some of these 20 amino acids, but others we have to get from outside sources such as food or supplements. Our genes determine the sequence of amino acids in a protein. This sequence determines what shape the protein takes, and what function that protein serves in the body.
Gene, Protein
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