THE MOLECULAR BASIS OF INHERITANCE
DNA MAKES RNA MAKES PROTEIN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which enzyme adds nucleotides to the newly formed DNA strand?
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DNA helicase
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DNA ligase
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DNA polymerase
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DNA primase
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Explanation:
Detailed explanation-1: -During elongation, an enzyme called DNA polymerase adds DNA nucleotides to the 3′ end of the template.
Detailed explanation-2: -One of the key molecules in DNA replication is the enzyme DNA polymerase. DNA polymerases are responsible for synthesizing DNA: they add nucleotides one by one to the growing DNA chain, incorporating only those that are complementary to the template.
Detailed explanation-3: -DNA polymerase III starts adding nucleotides to the 3’-OH end of the primer. Elongation of both the lagging and the leading strand continues. RNA primers are removed by exonuclease activity.
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