During transcription, the synthesis of the mRNA strand proceeds in which direction?
A) Both 5' to 3' and 3' to 5'
B) First 5' to 3', and then 3' to 5'
C) 3' to 5' only
D) Either 5' to 3' or 3' to 5'
E) 5' to 3' only

Question

Quizplus · Accepted Answer

During transcription, RNA polymerase synthesizes mRNA in the 5' to 3' direction, adding nucleotides to the 3' end of the growing mRNA strand.

During Transcription, the Synthesis of the MRNA Strand Proceeds in Which