RNA transcription
Sequential addition of ribonucleotides occurs at the 3’
end of the growing RNA chain,
so that growth occurs in the 5' 
3' direction, as in DNA. Note that in this
diagram, the process is depicted as proceeding from right
to left., but still in the 5' 3'
direction.
Figure © 2000
by Griffiths et al. ; text ©
2024 by Steven M. Carr