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CGP EDU Academic Team
Published on: August 14, 2026
The role of DNA ligase in the construction of a recombinant DNA molecule is:
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Verified by ExpertsThe correct answer is:
A
DNA ligase (joining or sealing enzymes) are also called genetic gum. They join two individual fragments of double-stranded DNA by forming phosphodiester bonds between them. Thus they help in sealing gaps in DNA fragments. Therefore, they act as a molecular glue.
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