BCECE Medical BCECE Medical Solved Papers-2011

  • question_answer
    You are studying a bacterial virus and found its base composition to be A = 22%, T = 28%, G = 20% and C = 30%. What is your conclusion regarding its genetic material?

    A)  Single-stranded RNA

    B)  Double-stranded RNA

    C)  Single-stranded DNA

    D)  Double-stranded DNA

    Correct Answer: C

    Solution :

    Double-helical DNA would have a base composition in which A = T and G = C. This DNA does not have such base composition thus virus must not have double-stranded DNA as its genetic material.


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