Question: what is the difference between the structure of a dntp and an ddntp?
Answer: DdNTP refers to Dideoxynucleotides triphosphates which are used in Sanger dideoxy method to produce different lengths of DNA strands for DNA sequencing. ... DdNTP differs from dNTP by the lack of 3'-OH group on the pentose sugar structure. A hydrogen group was found on the position 3' instead of OH-group.