nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process nitrogen compound metabolic nitrogen compound metabolic process biosynthetic processbiosynthetic process cellular metabolic processcellular metabolic process primary metabolic processprimary metabolic process organic substance metabolic organic substance metabolic process 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