Which of the following is called polynucleotide joining enzyme?

DNA polymerase - I

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DNA polymerase - II

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DNA ligase

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Ribonuclease

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Solution

The correct option is C DNA ligase
Ligase is defined as an enzyme that can catalyze the joining of two large molecules by forming a new chemical bond. DNA ligase joins the polynucleotide in DNA.

DNA polymerase I and II are enzymes that participate in the process of DNA replication.

Ribonuclease is an enzyme that catalyzes the breakdown of RNA.

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The nuclease enzyme which brings its attack from free end of a polynucleotide is?

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