[molecular_function] lactosylceramide 1,3-N-acetyl-beta-D-glucosaminyltransferase activity <sep> N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase activity <sep> UDP-galactose:beta-N-acetylglucosamine beta-1,3-galactosyltransferase activity