Term Name:	lactose synthase activity
Synonyms:	lactose synthetase activity, UDP-galactose-glucose galactosyltransferase activity, UDP-galactose:D-glucose 4-beta-D-galactotransferase activity, UDPgalactose-glucose galactosyltransferase activity, UDPgalactose:D-glucose 4-beta-D-galactotransferase activity, uridine diphosphogalactose-glucose galactosyltransferase activity
Definition:	Catalysis of the reaction: UDP-galactose + D-glucose = UDP + lactose.
Ontology:	GO: Molecular Function [GO:0004461]    QuickGO    AmiGO