(Solved): Which of the following does NOT occur during RNA processing in eukaryotic cells? a). Sigma factor a ...

Which of the following does NOT occur during RNA processing in eukaryotic cells?

a). Sigma factor attaches to the promotor sequence of nucleotides.

b). introns are removed via splicing to the transcript.

c). poly A tail is tail is added to the transcript.

d). 5' cap is added to the transcript.