MDCAT Biology MCQ #78

When comparing Viroids and Prions, which of the following structural features is common to both infectious agents?

MDCAT Biology MCQ #78

  1. Question 1

    Q1. When comparing Viroids and Prions, which of the following structural features is common to both infectious agents?

    • A) Both infect animals
    • B) Both contain DNA
    • C) Both lack a capsid
    • D) Both are larger than viruses

    Answer: Both lack a capsid

    Explanation: Viroids are plant pathogens made of RNA. Prions are animal pathogens made of protein. Neither contains both protein and nucleic acid.