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Biology · PYQ NEET UG 2019(2)

हिन्दी

An enzyme catalysing the removal of nucleotides from ends of DNA is:

  1. Protease
  2. DNA ligase
  3. Endonuclease
  4. Exonuclease

Correct answer · Option 4

Exonuclease

Explanation

Exonucleases remove nucleotides one at a time from the ends of a DNA molecule, whereas endonucleases cut within the DNA strand.

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