During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:

During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:
  1. RNA
  2. DNA
  3. Histones
  4. Polysaccharides

Solution

During the purification process for recombinant DNA technology, the RNA can be removed by treatment with ribonuclease whereas proteins can be removed by treatment with protease. Other molecules can be removed by appropriate treatments and purified DNA ultimately precipitates out after the addition of chilled ethanol.

Asked in: NEET 2021

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