essential amino acid

created by BioTech
(thing) by BioTech (9 mon) (print)   (I like it!) Thu Mar 17 2005 at 20:24:28

Any amino acid that can't be synthesized by an organism and must be taken in as a nutrient; in humans, about half of the 20 amino acids we use for growth and metabolism are essential.

From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.

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