Manipal Medical Manipal Medical Solved Paper-2003

  • question_answer
    Sigma factor is related to:

    A)  RNA polymerase                  

    B)  DNA polymerase                  

    C)  both a and b

    D)  none of these                        

    Correct Answer: A

    Solution :

     Enzyme RNA polymerase is responsible for transcription. Transcription is the transfer of genetic information from DNA to\[m-RNA\]. RNA polymerase can be represented by sigma factor. Sigma factor help in recognition of the start signal on DNA molecule and directs RNA polymerase in selecting initiation sites.


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