BCECE Medical BCECE Medical Solved Papers-2005

  • question_answer
    Method by which information reaches from DNA to RNA is:

    A)  transcription   

    B)  translation

    C)  transformation 

    D)  transduction

    Correct Answer: A

    Solution :

    The transfer of information from DNA to RNA is called transcription. Transcription is actually the synthesis of a complementary strand of RNA from a DNA template i.e., the genetic information stored in the sequence of nitrogenous bases of DNA is rewritten so that the same information appears in the base sequence of m-RNA. Translation is a process through which the nitrogenous base sequence of m-RNA determines the amino acid sequence of a protein. During the process the transformation genes are transferred from one bacterium to another as naked DNA in solution. In the process of transduction bacterial DNA is transfered from a donor cell to a recipient cell through a virus that infects bacteria, called bacteriophage.


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