Assertion: nucleotide | /r/HasProperty | added
Facets:
Source sentences:
text: The problem is that if the high energy triphosphates were on the growing strand and not on the free nucleotides, proof-reading by removing a mismatched terminal nucleotide would be problematic: Once a nucleotide is added, the triphosphate is lost and a single phosphate remains on the backbone between the new nucleotide and the rest of the strand.
text: If, however, a total of three nucleotides is either added or deleted, the original reading frame will be maintained in the rest of the sequence.