PYRIMIDINE DIMERS
\pˈɪɹɪmˌɪdiːn dˈa͡ɪməz], \pˈɪɹɪmˌɪdiːn dˈaɪməz], \p_ˈɪ_ɹ_ɪ_m_ˌɪ_d_iː_n d_ˈaɪ_m_ə_z]\
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Dimers found in DNA chains damaged by ultraviolet irradiation. They consist of two adjacent pyrimidine nucleotides, usually thymine nucleotides, in which the pyrimidine residues are covalently joined by a cyclobutane ring. These dimers stop DNA replication.
By DataStellar Co., Ltd
Word of the day
Immunologic Desensitization
- Immunosuppression by the administration increasing doses antigen. Though exact mechanism is not clear, therapy results increase in serum levels of allergen-IMMUNOGLOBULIN G, suppression specific IgE, and an suppressor T-cell activity.