cell communication cellular response to stimulus regulation of biological quality establishment of localization anatomical structure development system process response to external stimulus detection of stimulus response to abiotic stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication cellular response to stimulus regulation of biological quality establishment of localization anatomical structure development system process response to external stimulus detection of stimulus response to abiotic stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication cellular response to stimulus regulation of biological quality establishment of localization anatomical structure development system process response to external stimulus detection of stimulus response to abiotic stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication cellular response to stimulus regulation of biological quality establishment of localization anatomical structure development system process response to external stimulus detection of stimulus response to abiotic stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication cellular response to stimulus regulation of biological quality establishment of localization anatomical structure development system process response to external stimulus detection of stimulus response to abiotic stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication cellular response to stimulus regulation of biological quality establishment of localization anatomical structure development system process response to external stimulus detection of stimulus response to abiotic stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication cellular response to stimulus regulation of biological quality establishment of localization anatomical structure development system process response to external stimulus detection of stimulus response to abiotic stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication cellular response to stimulus regulation of biological quality establishment of localization anatomical structure development system process response to external stimulus detection of stimulus response to abiotic stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication cellular response to stimulus regulation of biological quality establishment of localization anatomical structure development system process response to external stimulus detection of stimulus response to abiotic stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell communication cellular response to stimulus regulation of biological quality establishment of localization anatomical structure development system process response to external stimulus detection of stimulus response to abiotic stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process cell commucell communication cellular rcellular response to stimulus regulationregulation of biological quality establishmestablishment of localization anatomicalanatomical structure development system prosystem process response tresponse to external stimulus detection detection of stimulus response tresponse to abiotic stimulus nitrogen cnitrogen compound metabolic process cellular mcellular metabolic process primary meprimary metabolic process organic suorganic substance metabolic process signaling receptor activity transmembrane transporter activity protein binding signaling receptor activity transmembrane transporter activity protein binding signaling receptor activity transmembrane transporter activity protein binding signaling receptor activity transmembrane transporter activity protein binding signaling receptor activity transmembrane transporter activity protein binding signaling receptor activity transmembrane transporter activity protein binding signaling receptor activity transmembrane transporter activity protein binding signaling receptor activity transmembrane transporter activity protein binding signaling receptor activity transmembrane transporter activity protein binding signaling receptor activity transmembrane transporter activity protein binding signaling receptor activitysignaling receptor activity transmembrane transporter activitytransmembrane transporter activity protein bindingprotein binding cell membrane protein-containing complex cell junction synapse cell membrane protein-containing complex cell junction synapse cell membrane protein-containing complex cell junction synapse cell membrane protein-containing complex cell junction synapse cell membrane protein-containing complex cell junction synapse cell membrane protein-containing complex cell junction synapse cell membrane protein-containing complex cell junction synapse cell membrane protein-containing complex cell junction synapse cell membrane protein-containing complex cell junction synapse cell membrane protein-containing complex cell junction synapse cellcell membranemembrane protein-containing complexprotein-containing complex cell junctioncell junction synapsesynapse