SSC General Science & Technology Sample Paper NCERT Sample Paper-4

  • question_answer
    What is the purpose of the 'restriction enzymes' used in the Genetic Engineering?

    A)  Restricts the protein synthesis in cells

    B)  Cut DNA at specific base sequence

    C)  Degrade harmful protein

    D)  Join different DNA fragments

    Correct Answer: B

    Solution :

    [b] Restriction enzymes are DNA-cutting enzymes found in bacteria (and harvested from them for use). Because they cut within the molecule, they are often called restriction endonucleases. In order to be able to sequence DNA, it is first necessary to cut it into smaller fragments.

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