All of the Following Demonstrate That Prions Do Not Appear

question 21

Multiple Choice

All of the following demonstrate that prions do not appear to contain a nucleic acid EXCEPT:

• A) Infectivity is resistant to phenol.
• B) Infectivity is resistant to UV radiation.
• C) Infectivity is resistant to nucleases.
• D) Infectivity is resistant to high concentrations of zinc ions.
• E) Infectivity is resistant to ammonium hydroxide.

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Definitions:

Electrocardiograph

A medical device that records the electrical activity of the heart over a period of time, used in the diagnosis and monitoring of heart diseases and conditions.

Lesioning

A research or therapeutic technique involving the damage or removal of tissue within the brain or another part of the body to study or treat dysfunctions.

Magnetic Resonance Imaging

A radiological method for creating images of the body's structure and its physiological activities.

Positron Emission Tomography

An imaging technique used in medical diagnostics that detects pairs of gamma rays emitted indirectly by a positron-emitting radionuclide.