Class 12th Biology 2018 Set1 Delhi Board Paper Solution

Question 1

Write the dual purpose served by Deoxyribonucleoside triphosphates in polymerisation.

Answer

The dual purpose served by Deoxyribonucleoside triphosphates in polymerization :

(i) They act as substrates for DNA synthesis.

(ii)They provide energy for polymerization reaction. Ina deoxyribonucleoside triphosphates, the two terminal phosphates are high-energy phosphates.

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