Haryana PMT Haryana PMT Solved Paper-2008

  • question_answer
    Which is not a protein?

    A) Alpha amylase                    

    B) Ribozyme

    C)  Histidine kinase              

    D)  Nitrogenase

    Correct Answer: B

    Solution :

    Study of post transcriptional processing of RNA molecules has led to the most exciting discovery of the existence of some catalytic RNA molecules which have been called as RNA enzymes or ribozymes. All enzymes are not proteins as confirmed by Catch (1981) and Altman (1983).


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