Thymine dimmers damage in DNA is produced by …….. radiations? A) Gamma B) Infra-red C) Ultraviolet D) All of these Related MCQs: The X rays diffraction studies by …… played key role to the discovery of DNA structure? The triplet code of CAT in DNA is represented as ……. in mRNA and ……. in tRNA? Reinnitiation of DNA duplication within the same cycle is prevented in? The ozone layer protects the Earth from ……. radiations from the Sun.