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

Choose the correct combinations based on their Taxonomical features

In the given circuit, if the potential at point B is 24 V, the potential at point A is:
