{TAIL ~ The method} 1 wherein {HEAD ~ the target} is modified to include a chemical moiety that reacts with the chemically reactive functional unit of the nucleic acid 
{ TAIL ~ The method } 1 wherein { HEAD ~ the target } is modified to include a chemical moiety that reacts with the chemically reactive functional unit of the nucleic acid
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH