BHU PMT BHU PMT (Screening) Solved Paper-2010

  • question_answer
    Due to discovery of which of the following id 1980s, the evolution was termed as RNA world?

    A)  mRNA, tRNA, rRNA synthesise protein

    B)  In some viruses, RNA is genetic material

    C)  Some RNAs have enzymatic property

    D)  RNA is not found in all cells

    Correct Answer: C

    Solution :

                     Ribozymes, catalytically active RNA molecule discovered in 1980s are self-splicing in trons indicating their possible role as intermediates in the evolution of biological systems from abiotic substances.


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