Diversity in the Living World
Proteinaceous infectious particles causing diseases are
Correct Answer: Option(a)
Solution: a) A prion is an abnormal form of a normally harmless protein found in the brain that is responsible for a variety of fatal neurodegenerative diseases. A prion is a short form of proteinaceous infectious particles.
b) Viroids are the smallest infectious pathogens which are composed of a single-stranded RNA without a protein coat.
c) A virus is a small infectious agent composed of genetic material enclosed by a capsid coat.
is a bacterial infection.
So, the correct answer is 'Prions'.