!autogenerated-by: OBO-Edit version 1.101 !saved-by: gocvs !date: Wed Aug 01 22:30:05 PDT 2007 !version: $Revision: 1.336 $ !type: % OBO_REL:is_a is_a !type: < part_of part of $Gene_Ontology ; GO:0003673 %biological_process ; GO:0008150, GO:0000004, GO:0007582 ; synonym:biological process unknown ; synonym:physiological process %cellular process ; GO:0009987, GO:0008151, GO:0050875 ; synonym:cell growth and/or maintenance ; synonym:cell physiology ; synonym:cellular physiological process %amino acid and derivative metabolic process ; GO:0006519 ; synonym:amino acid and derivative metabolism % metabolic process ; GO:0008152 %cell communication ; GO:0007154 %cell differentiation ; GO:0030154