Unformatted text preview: E. coli , and that spontaneous deamination of bases occurs at a low rate in aqueous solutions. c) Vertebrate and plant cells often methylate cytosines present in DNA at the 5 position. In these same cells, a specialized repair system recognizes GT mismatches and changes them to GC base pairs. In what way is this repair system advantageous to the cell?...
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- DNA, overall error rate