Choose the correct pair from the following

Nucleases - Separate the two strands of DNA

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Exonucleases - Make cuts at specific positions within DNA

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Ligases - Join the two DNA molecules

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Polymerases - Break the DNA into fragments

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Solution

The correct option is C Ligases - Join the two DNA molecules
DNA ligase is an enzyme which can connect two strands of DNA together by forming a bond between the phosphate group of one strand and the deoxyribose group on another. Nucleases cleave the phosphodiester bonds of nucleic acids.
Exonucleases make cuts at the ends of the DNA strand. Polymerases help in the polymerization of a DNA or RNA molecule.

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