Prions
A) cause scrapie in sheep.
B) are caused by abnormally folded proteins that interfere with normal brain-cell function.
C) cause "mad cow" disease.
D) are transmitted through the ingestion of infected tissue.
E) All of the above

Question

Quizplus · Accepted Answer

All of the choices are correct. Prions are misfolded proteins that can cause diseases like scrapie in sheep, "mad cow" disease in cattle, and Creutzfeldt-Jakob disease in humans. Prions can be transmitted through the ingestion of infected tissue or via inherited genetic mutations.