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Prion Diseases

View the animation below, then complete the quiz to test your knowledge of the concept.






1The abnormal form of the protein is designated
A)PrPAbnormal.
B)PrPS.
C)PrPC.
D)PrPSc.
E)PrPCs.



2Prions are believed to cause _______ diseases.
A)respiratory
B)neurodegenerative
C)sexually-transmitted
D)digestive
E)plant



3A harmless PrP is converted into the infective PrP
A)only as a result of a mutation in the normal gene.
B)by a virus which binds to the normal protein and causes it to become misfolded.
C)by an abnormal PrP which binds to the normal protein and causes it to become misfolded.
D)by enzymes that break off parts of the harmless protein.
E)by interaction of a PrP from one species with that of a second species.



4Disease symptoms are believed to be the result of dense aggregates of the abnormal protein.
A)True
B)False



5In some inherited cases, the normal prion protein can convert spontaneously to the abnormal form, but at a slow rate.
A)True
B)False







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