NEET AIPMT SOLVED PAPER SCREENING 2009

  • question_answer
    Removal of introns and joining the exons in a defined order in a transcription unit is called

    A) splicing

    B)        tailing   

    C)        transformation

    D)        Capping

    Correct Answer: A

    Solution :

    In some eukaryotes, genes consist of coding nucleorids sequences, which are separated from each other by blocks of non-coding sequences. The coding sequences here are called exons and non-coding sequences are called introns. The primary transcript from a typical eukaryotic gene contains introns as well as exons. The introns are removed from this primary transcript by a process called RNA splicing.


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