STANDARDZoology-Genetics
STANDARD Zoology Transcription MCQ Question
Type: MCQ-conceptual-Medium
The promoter site and 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
D
The 3' (downstream) end
Correct Answer
Option B
Detailed Explanation
A promoter is region of DNA that initiates transcription of a particular gene. Promoters are located near the transcription start site of genes, on the same strand and upstream of the DNA (towards the 5' region of sense strand and terminated is the region of DNA that stops transcription of a particular gene downstream of the DNA.
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