: GO_0000051http://purl.obolibrary.org/obo/ Create a prefix for http://purl.obolibrary.org/obo/ Hit Enter to save Double click to create a prefix | : IAO_0000115http://purl.obolibrary.org/obo/ Create a prefix for http://purl.obolibrary.org/obo/ Hit Enter to save Double click to create a prefix | OBSOLETE. The chemical reactio ...... the form of ammonium to urea. | graph:default |