12th Class Biology Molecular basis of inheritance

  • question_answer 20)   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 (d) the 3' (downstream) end

    Answer:

                      (c) The promoter is the binding site for RNA polymerase for initiation of transcription. The promoter is located towards 5'-end (upstream) of the structural gene of codingstrands and provides the binding site for RNA polymerase.

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