試題詳解

50. Which one of the following statements as to TATA box is RIGHT?
(A) A six-nucleotide-pair A+T-rich sequence about 35 nucleotides upstream of the transcription start site in bacterial promotcrs
(B) It is usually iocated 10-15 bp upstream from the transcription start site in mammalian genes
(C) The human TATA box is bound by the 34 kDa TATA-binding protein, a subunit in TFIID
(D) All eukaryotic mRNA-encoding genes possess a consensus TATA box
(E)All are right