Eukaryotic and prokaryotic MrNAs Have maior differences -ll 5′ end of 7-methylguanosine primary transcript HO OH c!H2⊙CH2 OF 5′-to-5′ (B) triphosphate bridg CH H OH Figure 6-22 part 2 of 2. Molecular Biology of the Cell, 4th EditionEukaryotic and Prokaryotic mRNAs Have Major Differences - II