MDCAT Biology MCQ #49

A neurological condition in sheep called Scrapie is found to be caused by an agent containing no DNA or RNA. Identify the agent.

MDCAT Biology MCQ #49

  1. Question 1

    Q1. A neurological condition in sheep called Scrapie is found to be caused by an agent containing no DNA or RNA. Identify the agent.

    • A) Viroids
    • B) Satellite viruses
    • C) Prions
    • D) Capsomeres

    Answer: Prions

    Explanation: Prions are purely proteinaceous and lack nucleic acids. Viroids are tempting but they are made of RNA and lack protein.