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Question

Which of the following pairs are correctly matched?
  1. DNA Ligase - Gel Electrophoresis
  2. DNA Polymerase - Vector
  3. Reverse Transcriptase - DNA replication
  4. Restriction enzyme – Genetic engineering


Solution

The correct option is D Restriction enzyme – Genetic engineering

Restriction enzyme is used in genetic engineering. Restriction enzyme is an endonuclease that recognizes a specific DNA base sequence that cleaves both the strands of a DNA at or near that site.

Reverse transcriptase converts RNA to DNA and hence has no role in the process of DNA replication.

Gel electrophoresis helps separate DNA molecules on the basis of size, whereas DNA ligase helps join DNA molecules to each other.

DNA polymerase plays a major role in DNA replication and has no connection with a vector.

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