TLS Online TPP Program

#Question id: 4668


During an initiation of transcription of DNA, the polymerase II has

#Unit 3. Fundamental Processes
  1. nonphosphorylated CTD

  2. Phosphorylated CTD at serine residue

  3. phosphorylated CTD at serine and threonine both

  4. phosphorylated at threonine residue