nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process cell death nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process cell death nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process cell death nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process cell death nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process cell death nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process cell death nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process cell death nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process cell death nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process cell death nitrogen compound metabolic process biosynthetic process cellular metabolic process primary metabolic process organic substance metabolic process cell death nitrogen compound metabnitrogen compound metabolic process biosynthetic processbiosynthetic process cellular metabolic proccellular metabolic process primary metabolic proceprimary metabolic process organic substance metaborganic substance metabolic process cell deathcell death cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cell organelle membrane-enclosed lumen cellcell organelleorganelle membrane-enclosed lumenmembrane-enclosed lumen