Essay
UV irradiation often induces DNA damage in the form of pyrimidine dimers. Briefly describe the two mechanisms that cells have developed to repair this damage. Which mechanism is lacking in humans?
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Q12: Pyrimidine dimers cannot be copied by the
Q13: Estimates of mutation rates for a variety
Q14: In nucleotide-excision repair of thymine dimers,
Q15: Telomerase is a reverse transcriptase.
Q16: During replication, _ stabilize the unwound DNA
Q18: In E. coli, the major enzyme
Q19: The human disease in which affected individuals
Q20: Repair of double-strand breaks in DNA caused
Q21: When a thymine dimer is encountered on
Q22: The human genes that convey a susceptibility