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: 221 Related Posts How many countries are there in Asia? What street does Spongebob Squarepants live on? What is the name of the author of The Snow Queen and The Little Mermaid?