Before revision: A Ion Proton semiconductor sequencer A microwell containing a template DNA strand to be sequenced is flooded with a single species of deoxyribonucleotide triphosphate (dNTP).
After revision: An Ion Proton semiconductor sequencer A microwell containing a template DNA strand to be sequenced is flooded with a single species of deoxyribonucleotide triphosphate (dNTP).