Question

Name the source of energy for the replication of DNA

Answer 1

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DNA synthesis requires a primer usually made of RNA. A primase synthesizes the ribonucleotide primer ranging from 4 to 12 nucleotides in length. DNA polymerase then incorporates a dNMP onto the 3' end of the primer initiating leading strand synthesis. Only one primer is required for the initiation and propagation of leading strand synthesis.

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Answer 2

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Here is your answer

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NTP's are used in the synthesis of RNA primers and ATP is used as an energy source for some of the enzymes needed to initiate and sustain DNA synthesis at the replication fork. The nucleotide that is to be incorporated into the growing DNA chain is selected by base pairing with the template strand of the DNA.

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