Proteinaceous infectious particles causing diseases are

Prion consists of

Bovine spongiform encephalopathy is a disease caused by prions in

Spongiform encephalopathy is caused by

Bovine spongiform encephalopathy is a disease caused by prions in 

Which of the following is true about prions?

Nucleic acid does not occur in

Protein infectious particles better known as 'Prions' are also called as 

CJD caused by

Select the incorrect statement.