Which Statement Is NOT True About Prion Diseases

question 84

Multiple Choice

Which statement is NOT true about prion diseases?

• A) Prions are believed to cause Creutzfeldt-Jakob disease (CJD).
• B) Prions lack a nucleus but must form DNA/RNA at some time in order to replicate.
• C) Prions are misshapen proteins that cause other proteins to change shape.
• D) Mad cow disease (BSE) is spread by consumption of cattle feed contaminated with prions.
• E) The build up of these abnormal proteins causes a loss of neurons.

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Definitions:

Partitioning

The process of allocating the total sum of squares and degrees of freedom to the various components.

Sum of Squares

A statistical technique used to describe the total variation or dispersion of a set of values around the mean; used in various analyses, including variance and regression.

Mean Square

The mean square is a statistical measure used in ANOVA and regression analysis, calculated as the sum of squared deviations from the mean divided by the degrees of freedom.

Treatments

Specific conditions applied to groups in an experiment to determine their effect on an outcome.