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Biology · PYQ NEET UG 2020

हिन्दी

Choose the correct pair from the following:

  1. A
    Polymerases - Break the DNA into fragments
  2. B
    Nucleases - Separate the two strands of DNA
  3. C
    Exonucleases - Make cuts at specific positions within DNA
  4. D
    Ligases - Join the two DNA molecules

Correct answer · Option D

Ligases - Join the two DNA molecules

Explanation

DNA ligases are enzymes that join two DNA molecules by forming phosphodiester bonds. Endonucleases (not exonucleases) make cuts at specific positions within DNA.
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