Production of pyrimidine dimers in DNA in the dark.
D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002621:Chemistry; D002854:Chromatography, Paper; D004269:DNA, Bacterial / Q000096:biosynthesis; D003624:Darkness; D004926:Escherichia coli / Q000378:metabolism; D006868:Hydrolysis; D007536:Isomerism; D010545:Peroxides; D011108:Polymers; D011743:Pyrimidines / Q000528:radiation effects; D011830:Radiation Effects; D013941:Thymine / Q000378:metabolism; D014466:Ultraviolet Rays; D014498:Uracil
D002247:Carbon Isotopes; D004269:DNA, Bacterial; D010545:Peroxides; D011108:Polymers; D011743:Pyrimidines; D014498:Uracil; D013941:Thymine