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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2006

  • question_answer
    During   transcription   holoenzyme   RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is that sequence called?

    A)  CAAT box                          

    B)  GGTT box

    C)  AAAT box                          

    D)  TATA box

    Correct Answer: D

    Solution :

    TATA box or Hogness box is a short consensus sequence generally to be found in the promoter in eukaryotes. The sequence consists of 7 or 8 nucleotides-5-TATA (A/T)A(A/T)-3'. It is located about 25 to 30 base pairs upstream of the start of the transcriptio site and serves as a binding the site RNA polymerase.


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