A 40-year-old patient has been diagnosed with cancer. Sequencing of cancer cell genomes reveals a high frequency of G/C to A/T base pairs conversion. The DNA repair system that is most likely deficient in this patient is the

A) base excision repair pathway.
B) SOS repair pathway.
C) nonhomologous end-joining pathway.
D) nucleotide excision repair pathway.
E) synthesis-dependent strand annealing pathway.


Answer: A

Biology & Microbiology

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Viruses constitute the fourth domain of life in current biological classification schemes.

Answer the following statement true (T) or false (F)

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chromosome

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