Question. The promoter site and the terminator site for transcription are located at
A. 3′ (downstream) end and 5′ (upstream) end, respectively of the transcription unit
B. 5′ (upstream) end and 3′ (downstream) end, respectively of the transcription unit
C. the 5′ (upstream) end of the transcription unit
D. the 3′ (downstream) end of the transcription unit
Answer: B. 5′ (upstream) end and 3′ (downstream) end, respectively of the transcription unit