primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process glycosylation epithelial cell proliferation primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process glycosylation epithelial cell proliferation primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process glycosylation epithelial cell proliferation primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process glycosylation epithelial cell proliferation primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process glycosylation epithelial cell proliferation primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process glycosylation epithelial cell proliferation primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process glycosylation epithelial cell proliferation primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process glycosylation epithelial cell proliferation primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process glycosylation epithelial cell proliferation primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process glycosylation epithelial cell proliferation primary metabolic prprimary metabolic process organic substance meorganic substance metabolic process nitrogen compound menitrogen compound metabolic process biosynthetic processbiosynthetic process cellular metabolic pcellular metabolic process glycosylationglycosylation epithelial cell prolepithelial cell proliferation transferase activity transferase activity transferase activity transferase activity transferase activity transferase activity transferase activity transferase activity transferase activity transferase activity transferase activitytransferase activity cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cell membrane organelle cellcell membranemembrane organelleorganelle