30 Dec 2014 Home » Trivia Crack » What is a prion? What is a prion? Posted in Trivia Crack By emoji On December 30, 2014 Question: What is a prion? Choices: A bacteria A protein An atom A virus Correct answer: A protein Post Views: 227 Related Posts What’s the official currency of Brazil? How many strings does a bass usually have? What famous author was known for “The Iliad” and “The Odyssey”?