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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
Identify the correct statement about prions
Answer
The statement that is true about prions is:
B. They cause some brain diseases.
Prions are known to be infectious agents that are composed mainly of protein and are responsible for several neurodegenerative diseases, such as Creutzfeldt-Jakob disease and bovine spongiform encephalopathy (mad cow disease). Unlike viruses and bacteria, prions do not contain nucleic acids and do not have a cellular structure.