Assertion: amino acid's carboxyl group | /r/HasProperty | cooh
Facets:
Source sentences:
text: Amino acids are a type of organic acid that contains both a carboxyl group (COOH) and an amino group (NH 2 ).
text: Amino acids are made of the amino group (NH 2 ), carboxyl group (COOH) and a side chain containing carbon, hydrogen or oxygen; two amino acids (cysteine and methionine) also contain sulfur and one (selenocysteine)