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Biotechnology : Principles And Processes

Question

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What is the role of restriction endonuclease ?

Solution

Restriction endonucleases are specific enzymes which can cleave double stranded DNA at specific sites called recognition sequences. Restriction endonucleases provide protection to the bacteria by restricting the growth of bacteriophages. They also serve as tools for Recombinant DNA technology.

Some More Questions From Biotechnology : Principles and Processes Chapter

Name a technique by which DNA fragments can be separated.

What are the different tools in Recombinant DNA technology?

Give the full form of PCR. Who developed it ?

What is the source of DNA polymerase i.e., Taq polymerase ?

Define “melting of target DNA”.

What would be the molar concentration of human DNA in a human cell ? Consult your teacher.

Do eukaryotic cells have restriction endonucleases ? Justify your answer.

From what you have learnt, can you tell whether enzymes are bigger or DNA is bigger in molecular size. How did you know ?

Expand EFB.

What are two core techniques that enabled birth of biotechnology ?

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