cellular process | organic cyclic compound metabolic process | cellular aromatic compound metabolic process | response to stimulus | response to stress | cellular nitrogen compound metabolic process | pyrimidine dimer repair | DNA repair | nitrogen compound metabolic process | cellular response to DNA damage stimulus | cellular response to stress | DNA metabolic process | metabolic process | nucleobase-containing compound metabolic process | organic substance metabolic process | photoreactive repair | heterocycle metabolic process | cellular metabolic process | macromolecule metabolic process