試題詳解

26. Which of the following is correct for both prokaryotic and eukaryotic gene expression?
(A) After transcription, a 3' poly-A tail and a 5' cap are added to mRNA.
(B) Translation of mRNA can begin before transcription is complete.
(C) RNA polymerase binds to the promoter region to begin transcription.
(D) The mRNA transcript is the exact complement of the gene from which it was copied.