The Genetic Forms of Prion Diseases Result from Mutations in the Prion

question 10

Multiple Choice

The genetic forms of prion diseases result from mutations in the prion gene.What is the proposed mechanism for how these mutations cause the prion disease?

• A)They cause the prion protein to become degraded in the cell.
• B)They stabilize the structure of the PrP^C form of the protein.
• C)They lead to overexpression of the prion protein in the brain.
• D)They cause the prion protein to misfold more easily into the PrP^Sc form.
• E)They cause the prion protein to interact with the microtubules in the neuron.

---

Definitions:

Inelastic Demand

A market situation in which the demand for a product does not significantly change with its price increase or decrease.

Total Revenues

The entire amount of income generated by a company from its business activities, before any expenses are subtracted.

Fixed Costs

Costs that do not change with the level of output or sales, such as rent, salaries, and loan payments.

Variable Costs

Costs that change in proportion to the level of output or activity.