12th Class Biology Molecular basis of inheritance

  • question_answer 51)   In a nucleus, the number of rib nucleoside triphosphates is 10 times the number of deoxy x 10 ribonucleoside triphosphates, but only deoxyribonucleotides are added during the DNA replication. Suggest a mechanism.


                      DNA polymerase enzyme is highly specific to recognize only deoxy ribonucleoside triphosphates. Therefore, it cannot hold RNAb-nucleotides.

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