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Question: Answered & Verified by Expert
The promoter site and the terminator site for transcription are located at
BiologyMolecular Basis of Inheritance
Options:
  • A
    $3^{\prime}\left(\right.$ downstream) end and $5^{\prime}$ (upstream) end, respectively of the transcription unit
  • B
    $5^{\prime}$ (upstream) end and 3' (downstream) end, respectively of the transcription unit
  • C
    $5^{\prime}$ (upstream) end
  • D
    $3^{\prime}$ (downstream) end
Solution:
1380 Upvotes Verified Answer
The correct answer is:
$5^{\prime}$ (upstream) end and 3' (downstream) end, respectively of the transcription unit
The promoter is a DNA sequence that provides the binding site for RNA polymerase for initiation of transcription. The promoter is located towards 5'-end (upstream) of structural gene and terminator site is located towards 3 end (downstream of the coding strand).

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