Daily Almanac for
Nov 27, 2009
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ami'no ac'id



Biochem.
any of a class of organic compounds that contains at least one amino group, –NH2, and one carboxyl group, –COOH: the alpha-amino acids, RCH(NH2)COOH, are the building blocks from which proteins are constructed. Cf. essential amino acid.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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