"Mad cow" disease is caused by? (NOT RELATED)
Several animal diseases from this group are also known, including scrapie in sheep and goats and bovine spongiform encephalopathy in cattle ("mad cow" disease).All these disorders are associated with abnormal forms of a normal cellular protein, termed prion protein (PrPc).
HIV virus
Mycoplasma
Chlamydia
Prions
All India exam