A Prion Is

Multiple Choice

A prion is:

A) a genetic mutation that may be responsible for several neurodegenerative diseases, including Alzheimer and Parkinson.
B) a virus capable of replicating itself without infecting a host cell, and therefore less easily detected by the body's immune system.
C) a fibrous ring that forms within neuronal cytoplasm and is thought to correspond to abnormal neurofilament metabolism.
D) an abnormally folded protein that causes other proteins to adopt the same abnormal fold, which renders them less functional.