The reaction mixture contains three of the complementary deoxynucleoside triphosphates, one of which is labeled with an isotope such as tritium or α 32 P. The deoxynucleotide substrate that is omitted corresponds to {HEAD ~ the base} that is modified in {TAIL ~ the analog} 
is modified in
The reaction mixture contains three of the complementary deoxynucleoside triphosphates , one of which is labeled with an isotope such as tritium or α 32 P. The deoxynucleotide substrate that is omitted corresponds to { HEAD ~ the base } that is modified in { TAIL ~ the analog }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL