試題詳解

複選題
8.Which statements is/are CORRECT in regard to transcription?
(A) In Escherichia coli, sigma factor associated with core enzyme to determine a set of promoters where transcription is initiated.
(B) In eukaryotes, TATA box is a common component of RNA polymerase II promoters.
(C) TATA box may determine the location of the transcription start point.
(D)Enhancers are short DNA sequence elements.
(E) Enhancers have to be located upstream of a promoter to stimulate the promoter activity.