Prions are infectious proteins known to cause
Correct answer: C. Mad cow disease
- A. Athlete's foot
- B. Herpes simplex
- C. Mad cow disease
- D. Mumps and Measles
Explanation
Prions are misfolded proteins that can cause neurodegenerative diseases. They are infectious particles solely composed of proteins. They are responsible for diseases such as Creutzfeldt-Jakob disease in humans and mad cow disease in cattle. The other diseases listed are caused by other pathogens: athlete's foot by fungi, herpes simplex by viruses, and mumps and measles also by viruses.
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About Viruses
Viruses are acellular infectious particles made of genetic material enclosed by a protein capsid, sometimes with a lipid envelope. Their replication depends on a host cell and may follow lytic or lysogenic cycles, so viral structure and reproduction differ fundamentally from those of cellular organisms such as bacteria.
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