TLS Online TPP Program

#Question id: 3978


The 5'-terminal cap structure of eukaryotic mRNAs is a(n):

#Unit 3. Fundamental Processes
  1. 7-methylcytosine joined to the mRNA via a 2',3'-cyclic linkage.

  2.  7-methylguanosine joined to the mRNA via a 5' -> 3' diphosphate linkage.

  3. 7-methylguanosine joined to the mRNA via a 5' -> 5' triphosphate linkage.

  4. N6-methyladenosine joined to the mRNA via a 5' -> 5' phosphodiester bond.