Prokaryotic mRNA
1. Often polycistronic rarely monocistronic.
2. 5’ -7 methyl guanosine cap is absent.
3. 3’ poly A tail is absent.
3. Ribosome binding site or Shine Dalgarno sequence is present.
Eukaryotic mRNA
1. Only monocistronic
2. 5’ -7 methyl guanosine cap is present.
3. 3’ poly A tail is present.
3. Ribosome binding site or Shine Dalgarno sequence is absent.
1. Often polycistronic rarely monocistronic.
2. 5’ -7 methyl guanosine cap is absent.
3. 3’ poly A tail is absent.
3. Ribosome binding site or Shine Dalgarno sequence is present.
Eukaryotic mRNA

1. Only monocistronic
2. 5’ -7 methyl guanosine cap is present.
3. 3’ poly A tail is present.
3. Ribosome binding site or Shine Dalgarno sequence is absent.