TLS Online TPP Program

#Question id: 35134


Choose the correct statements regarding LexA ? 

#XL - Q Biochemistry
  1. At physiological pH, this autocleavage reaction of LexA requires the RecA protein.
  2. The LexA  is inactivated when it catalyzes its own cleavage at a specific Ala–Gly peptide bond.
  3. LexA  activate the transcription of all the SOS genes.
  4. Induction of the SOS response requires removal of LexA.