AMU Medical AMU Solved Paper-2002

  • question_answer
    Certain RNA viruses carry a gene for an enzyme that uses viral RNA as a template in the synthesis of DNA. This enzyme is

    A)  viral nuclease                   

    B)  RNA replicase

    C)  RNA polymerase                            

    D)  reverse transcriptase

    Correct Answer: D

    Solution :

                     The enzyme reverse transcriptase uses RNA of virus to synthesize a complementary strand of DNA, which in return is replicated to form double stranded DNA. It was discovered by Temin and Baltimore. DNA \[\] RNA \[\xrightarrow{Transcription}\] Protein Viral nuclease : Nucleases are enzymes that break down nucleic acid to nucleotides.


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