TLS Online TPP Program

#Question id: 4424


The nuclear-synthesized poly-A sequence at the 3′ end of eukaryotic messenger RNA is

#Unit 3. Fundamental Processes
  1. attached at random sequences within the 3′ non-translated region of a pre-mRNA

  2. found also as a common feature in rRNA and tRNA

  3. transcribed from poly-T sequences in template DNA

  4. added after 3′ end cleavage of the pre-mRNA transcript