MDCAT Biology MCQ #128

Mad cow disease and Kuru are caused by unique infectious agents that lack any nucleic acids. How are these agents classified?

MDCAT Biology MCQ #128

  1. Question 1

    Q1. Mad cow disease and Kuru are caused by unique infectious agents that lack any nucleic acids. How are these agents classified?

    • A) Infectious proteins
    • B) Naked RNA molecules
    • C) DNA-protein complexes
    • D) Enveloped DNA viruses

    Answer: Infectious proteins

    Explanation: Prions are purely proteinaceous infectious particles; viroids consist only of RNA and lack any protein component whatsoever.