Question
Biology Question on biological classification
Infectious proteins are present in
A
gemini viruses
B
prions
C
viroids
D
satellite viruses.
Answer
prions
Explanation
Solution
The correct answer is Option B) prions
Prions are named by Stanley Prusiner (got Nobel Prize in 1997). Prions are infectious agents which are made of proteins only (without nucleic acid). Prions are the causal agents of scrapie disease of sheep.