Briefly, {TAIL ~ incorporation} of a nucleoside analog in triphosphate form by HIV RT can be determined using native RNA templates that contain {HEAD ~ all four bases} 
Briefly , { TAIL ~ incorporation } of a nucleoside analog in triphosphate form by HIV RT can be determined using native RNA templates that contain { HEAD ~ all four bases }
OTH OTH TAIL TAIL TAIL TAIL TAIL 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 HEAD