NEET Zoology Recombinant DNA MCQ Question
Which of the following statements about recombinant DNA technology is correct?
Restriction enzymes identify specific DNA sequences and cut them at designated points.
Recombinant DNA can only be formed using viral vectors, not plasmids.
DNA ligase is used to cut DNA into smaller fragments for easier manipulation.
Exonucleases are primarily responsible for joining DNA fragments together.
Correct Answer
Detailed Explanation
Restriction enzymes, also known as molecular scissors, play a crucial role in cutting DNA at specific recognition sequences, as mentioned in the NCERT context. This is essential for creating recombinant DNA by linking cut pieces of DNA with plasmids.
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