response to stress cellular response to stimulus nitrogen compound metabolic process catabolic process response to chemical cellular metabolic process primary metabolic process organic substance metabolic process response to stress cellular response to stimulus nitrogen compound metabolic process catabolic process response to chemical cellular metabolic process primary metabolic process organic substance metabolic process response to stress cellular response to stimulus nitrogen compound metabolic process catabolic process response to chemical cellular metabolic process primary metabolic process organic substance metabolic process response to stress cellular response to stimulus nitrogen compound metabolic process catabolic process response to chemical cellular metabolic process primary metabolic process organic substance metabolic process response to stress cellular response to stimulus nitrogen compound metabolic process catabolic process response to chemical cellular metabolic process primary metabolic process organic substance metabolic process response to stress cellular response to stimulus nitrogen compound metabolic process catabolic process response to chemical cellular metabolic process primary metabolic process organic substance metabolic process response to stress cellular response to stimulus nitrogen compound metabolic process catabolic process response to chemical cellular metabolic process primary metabolic process organic substance metabolic process response to stress cellular response to stimulus nitrogen compound metabolic process catabolic process response to chemical cellular metabolic process primary metabolic process organic substance metabolic process response to stress cellular response to stimulus nitrogen compound metabolic process catabolic process response to chemical cellular metabolic process primary metabolic process organic substance metabolic process response to stress cellular response to stimulus nitrogen compound metabolic process catabolic process response to chemical cellular metabolic process primary metabolic process organic substance metabolic process response to stresresponse to stress cellular responsecellular response to stimulus nitrogen compoundnitrogen compound metabolic process catabolic processcatabolic process response to chemiresponse to chemical cellular metabolicellular metabolic process primary metabolicprimary metabolic process organic substanceorganic substance metabolic process cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cell organelle membrane cellcell organelleorganelle membranemembrane