What is the function of restriction enzymes in the purification process of DNA?

What is the function of restriction enzymes in the purification process of DNA?
  1. To remove RNA
  2. To remove proteins
  3. To cut the DNA
  4. To add ethanol

Solution

The function of restriction enzymes in the purification process of DNA is to cut the DNA into smaller fragments, but it is necessary to have the DNA in pure form and free from other macro-molecules before using these enzymes.

Asked in: NCERT

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