Effect of ultraviolet radiation on DNA is formation of
UV light causes the formation of thymine dimers, where covalent bonds are formed between adjacent thymine residuesSince repair mechanism is not operating these mutations are accumulated, leading to cancerRef: DM Vasudevan, 7th edition, page no: 584
Purine dimers
Pyrimidine dimers
DNA-DNA cros linking
All of the above
Metabolism of nucleic acids