VMMC VMMC Medical Solved Paper-2014

  • question_answer
    Intron transcripts in heterogeneous nuclear RNA (hn RNA) are removed and exons transcripts joined together under direction of protein complexes, these complexes are

    A) Spliceosomes                   

    B) endopeptidases         

    C) cdk complex                      

    D) polysomes

    Correct Answer: A

    Solution :

    Heterogeneous nucleus RNA (nRNA)  undergoes the process of splicing. Splicing is the controlled excision of introns from the transcript and rejoining of remaining fragments called exons. A smallar nuclear RNA (snRNA) is involved in RNA, splicing.   The  snRNAs   form   a macromolecular complex called spliceosome.


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