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      Question

      Which of the following enzyme is not involved in the

      process of genetic engineering?
      A DNA ligase Correct Answer Incorrect Answer
      B DNA polymerase Correct Answer Incorrect Answer
      C DNA esterase Correct Answer Incorrect Answer
      D Restriction endonuclease Correct Answer Incorrect Answer

      Solution

      DNA Ligase is used  to bind/glue the two different stands of DNA and Restriction  enzyme/  restriction  endonuclease cuts  a  DNA  molecule within  or  outside  at certain specific sites (recognition sites).DNA polymerase starts the synthesis of complementary nucleic acids using single stranded DNA as a template. All these enzymes are involved in the process of genetic engineering except DNA esterase.

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