The drug dideoxycytidine (used to treat certain viral infections) is a nucleotide made with 2',3'-dideoxyribose. this sugar lacks –oh groups at both the 2'and 3' positions. explain why this drug stops the growth of a dna chain when added to dna.
Dideoxycytidine stops the growth of DNA chain when added to the DNA, because free nucleotides combine with -OH groups. In other words, they have nothing to join with when they are not in that place.
