RNA(n) + a ribonucleoside 5'-triphosphate = RNA(n+1) + diphosphate
rna(n) + a ribonucleoside 5'-triphosphate = rna(n+1) + diphosphate
RNA(n) + a ribonucleoside 5'-triphosphate = RNA(n+1) + diphosphate
rna(n) + a ribonucleoside 5'-triphosphate = rna(n+1) + diphosphate