Other Acellular Entities: Prions and Viroids

Free Response

Prions are responsible for variant Creutzfeldt-Jakob Disease, which has resulted in over 100 human deaths in Great Britain during the last 10 years. How do humans obtain this disease?


This prion-based disease is transmitted through human consumption of infected meat.

How are viroids like viruses?


They both replicate in a cell, and they both contain nucleic acid.