問題詳情
3.Which of the following is true for both prokaiyotic and eukaryotic gene expression?
(A)after transcription, a 3,poly-A tail and a 5，cap are added to mRNA
(B)transcription of mRNA can begin before transcription is completed
(C)RNA polymerase may recognize a promoter region upstream from the gene
(D)mRN'Ais synthesized in the 3direction
(E)the mRNA transcript is the exact complement of the gene from which it was copied
(A)after transcription, a 3,poly-A tail and a 5，cap are added to mRNA
(B)transcription of mRNA can begin before transcription is completed
(C)RNA polymerase may recognize a promoter region upstream from the gene
(D)mRN'Ais synthesized in the 3direction
(E)the mRNA transcript is the exact complement of the gene from which it was copied
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無參考答案
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