TLS Online TPP Program

#Question id: 3742


The general excision repair pathway for DNA repair has the following order:

#XL - Q Biochemistry
  1. endonuclease cuts → helicase or endonuclease removes → DNA polymerase → DNA ligase

  2. DNA ligase → DNA polymerase → helicase or endonuclease removes → endonuclease cuts

  3. endonuclease cuts → DNA polymerase repairs → helicase opens up → DNA ligase

  4. endonuclease cuts → DNA ligase removes → endonuclease removes → DNA ligase