During DNA replication, DNA ligase

Provides energy for polymerisation reaction

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Has topoisomerase activity

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Joins discontinuously synthesized fragments on template with polarity

5^{'} \to 3^{'}

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Unwinds double helical DNA

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Solution

The correct option is C Joins discontinuously synthesized fragments on template with polarity $5^{'} \to 3^{'}$
During DNA replication, DNA ligase joins discontinuously synthesized fragments on template with polarity $5^{'} \to 3^{'}$ .

DNA ligase is a specific type of enzyme, a ligase, that facilitates the joining of DNA strands together by catalyzing the formation of a phosphodiester bond. DNA ligase has a different role in

DNA ligase is a specific type of enzyme that facilitates the joining of DNA strands together by catalyzing the formation of a phosphodiester bond.
If two pieces of DNA have matching ends, ligase can link them to form a single, unbroken molecule of DNA.

DNA ligase is used in both DNA repair and DNA replication.

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