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  4. Which type of primer is used the genetic engineering tool -Polymerase Chain Reaction?

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Q. Which type of primer is used the genetic engineering tool -Polymerase Chain Reaction?

NTA AbhyasNTA Abhyas 2020Biotechnology : Principles and Processes

Solution:

The Taq polymerase enzyme that adds up and extends the primer follows the $5’ \rightarrow 3’$ direction for the new strand made based on the template. The template strand is the complementary of new strand/primer whose direction is opposite - $3’ \rightarrow 5’$ .