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Q. Deoxyribonucleoside triphosphate serve dual purposes. The purposes are

Molecular Basis of Inheritance

Solution:

Option (b) is correct. The phosphorylated nucleotides are deATP (deoxy Adenosine Triphosphate), deCTP (deoxy Cytidine Triphosphate), deTTP (deoxy Thymidine Triphosphate). These triphosphates serve dual purpose. These act as substrate as well as provide energy for polymerisation of nucleotides by releasing energy after dissociating the phosphate group.