NEET 2010 Biology question

Infectious proteins are present in

(1)PrionsCorrect
(2)Viroids
(3)Satellite viruses
(4)Gemini viruses

Answer: (1)

Solution

Prions are abnormally folded proteins (infectious proteinaceous particles) with no nucleic acid; they cause diseases such as bovine spongiform encephalopathy (mad cow disease) and Creutzfeldt-Jakob disease in humans, so (1) is

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Question ID VK-090592