TLS Online TPP Program

#Question id: 18730


Which of the following statements is correct with respect to T4 DNA ligase?

#Unit 13. Methods in Biology
  1. It can carry out only blunt ended ligations
  2. It doesn’t requires ATP
  3. It requires a phosphate group at 3’ end and a hydroxyl group at 5’ end for the molecule to be joined
  4. It is obtained from T4 bacteriophage upon infection by E. coli