ASL Sign Language Dictionary
Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
essential amino acid
How to sign: an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet
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Categories: aminoalkanoic acid, amino acid
Within this category: arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine
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