<span>The 5' end
During transcription, new nucleotides are added to the 3' end of the molecule due to the arrangement of the nucleotide with the new nucleotide being added to the hydroxyl group at the 3' position of the ribose.</span>
Yes, it is. Potassium’s symbol is K. It’s atomic number 19.
Did you ever figure out the answer to this? I have the same question and don't know the answer.