All are true about prions EXCEPT:
AContain nucleic acid
BProtease resistant
CNot affected by radiation
DCause spongiform changes
A 78-year-old woman presents with a progressive decline in daily activity. She gives a history of convulsions and visual hallucinations. She does not talk to anyone and keeps looking at the sky. Pathological examination shows the presence of Lewy bodies within the neurons. What is the most probable diagnosis?
APrion disease
BHuntington's disease
CLewy body dementia
DAlzheimer's disease
Which of the following methods cannot be used to precipitate proteins?
AAdd alcohol and acetone
BUsing heavy metal ions
CAdding trichloroacetic acid
DMoving pH away from isoelectric pH
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