Multiple choice

Which enzyme is used in recombinant DNA technology to make cuts at specific positions within the DNA?

  1. DNA polymerase

  2. RNA polymerase

  3. Restriction exonuclease

  4. Restriction endonuclease

  5. DNA ligase

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Restriction endonucleases make cuts at specific positions within the DNA.