Common features of prion

1.	Common features of prion
Answer» Prions\xa0are best known as the infectious agents associated with\xa0prion\xa0diseases, the hallmark pathological\xa0features\xa0of which are the spongiform degeneration in the brain, accompanied by extensive neuronal loss, astrogliosis, and cerebral accumulation of the misfolded and protease-resistant form of\xa0prion\xa0protein.\xa0Prions are so small that they are even smaller than viruses and can only be seen through an electron microscope when they have aggregated and formed a cluster. Prions are also unique in that they do not contain nucleic acid, unlike\xa0bacteria,\xa0fungi, viruses and other pathogens.

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