AIIMS AIIMS Solved Paper-2003

  • question_answer
    Viroids have:

    A)  single stranded RNA not enclosed by protein coat

    B)  single stranded DNA not enclosed by protein coat

    C)  double stranded DNA enclosed by protein coat

    D)  double stranded RNA enclosed by protein coat

    Correct Answer: A

    Solution :

    Viroids are small, single stranded, RNA molecules not enclosed by protein they are discovered by T.O. Diener in 1 Viroid replication requires host encoded polymerase.


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