Prions

Prions Sometimes a scientific discovery shakes the confidence of scientists, reservation them question whether they truly understand natures ground rules. Thats exactly what prions seduce done to scientists understanding of the ground rules for infectiousdiseases. Prions cause diseases,but they argonnt viruses or bacteria or fungi or parasites. They are simply proteins, and proteins were neer thought to be infectious on their own. Organisms are infectious, proteins are not. Or, at least, they never used to be. Prions entered the publics consciousness during the mad scare epidemic that hitEngland in 1986.

For decades, however, scientists had searched for unusual, atypical infectious agents that they suspected caused roughly puzzling diseases that could not be linked to any of the " unceasing" infectious organisms. One possibility was that slow viruses-viruses that spent decades wreaking havoc in their hosts-might be the culprits, and these putative viruses were n...If you want to get a full essay, order it on our website: Ordercustompaper.com

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