Infectious protein are present in:
Correct answer: B. Prions
- A. Gemini viruses
- B. Prions
- C. Viroids
- D. Satellite viruses.
Explanation
Prions are named by Stanley Prusiner (who got the 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. Prion diseases are a unique and challenging category of infectious diseases due to their unconventional nature and lack of traditional genetic material. They continue to be a subject of scientific research to better understand their mechanisms and develop potential treatments.
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About Biodiversity and Variety of Life
Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.
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