Choose the correct combinations based on their Taxonomical features

Thus, the correct combination of features is:
The correct answer is (3) II, IV.
In a messenger RNA molecule, untranslated regions (UTRs) are present at:
I. 5' end before start codon
II. 3' end after stop codon
III. 3' end before stop codon
IV. 5' end after start codon


