Final answer:
A. The prions cause amyloid plaques to scrape against each other. The name 'scrapie' comes from Stanley Prusiner, who discovered that the disease in sheep was caused by prions.
Step-by-step explanation:
The name 'scrapie' comes from Stanley Prusiner, the medical doctor who discovered prions. Prusiner was studying a fatal, degenerative disease in sheep called scrapie, and through his research, he found that the disease was caused by proteinaceous infectious particles, or prions.
The name 'scrapie' comes from Stanley Prusiner, who discovered that the disease in sheep was caused by prions.