(chemistry) Any polyunsaturated fatty acid having a double bond between the third and fourth carbon atoms from the end of the molecule farthest from the carboxylic acid; they are found in green vegetables and in the oils of fish such as salmon and mackerel; they are essential fatty acids, and seem to be beneficial in reducing the risk of heart disease.

(chemistry) An acid and a base which differ by a single proton; a pair of molecular compounds consisting of a conjugate acid and a conjugate base.

(biochemistry) Any fatty acid which occurs free, rather than esterified with glycerol to form a glyceride or other lipid; usually as the result of hydrolysis

(organic chemistry) Tretinoin.

Alternative spelling of nonessential amino acid

plural of deduced amino acid sequence

(biochemistry) a sequence of amino acids predicted from a sequence of nucleotides using information about codons used in a particular organism

plural of conjugate acid-base pair

(biochemistry) An intermediate filament protein expressed by numerous cell types of the central nervous system.

plural of glial fibrillary acidic protein