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Which one of the following is true of prions? A - VCE - SSCE Biology - Question 15 - 2015 - Paper 1
Question 15
Which one of the following is true of prions? A. They have an outer wall made of cellulose. B. They cause some brain diseases. C. They contain nucleic acids. D. They... show full transcript
Worked Solution & Example Answer:Which one of the following is true of prions? A - VCE - SSCE Biology - Question 15 - 2015 - Paper 1
Step 1
B. They cause some brain diseases.
Answer
Prions are infectious agents composed mainly of protein and are known to cause various neurodegenerative diseases in mammals, including Creutzfeldt-Jakob disease and Bovine Spongiform Encephalopathy (Mad Cow Disease). Unlike other pathogens, prions do not contain nucleic acids, which is why options A, C, and D are incorrect. Option B accurately reflects the characteristic nature of prions.