{TAIL ~ The ability} of the analog to be incorporated into the newly synthesized DNA is directly compared to that of the corresponding native deoxynucleoside triphosphate as {HEAD ~ a function} of substrate concentration 
{ TAIL ~ The ability } of the analog to be incorporated into the newly synthesized DNA is directly compared to that of the corresponding native deoxynucleoside triphosphate as { HEAD ~ a function } of substrate concentration
TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH