Prions Cause Damage to the Brain by

question 39

Multiple Choice

Prions cause damage to the brain by

• A)causing normal proteins to change shape.
• B)enzymatically destroying brain cells.
• C)cleaving all the oxygen from that area of the brain.
• D)binding to bacteria in the brain and stimulating them to kill tissue.
• E)none of these.

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Definitions:

Cones

Photoreceptor cells in the retina of the eye that function best in bright light and enable color vision.

Lens

A curved piece of glass or other transparent materials used to refract light, focus images, and correct optical imperfections.

Transparent Outer Membrane

Refers typically to the cornea, the clear, dome-shaped surface that covers the front of the eye and contributes to the eye's focusing power.

Focus

Concentration or attention directed towards a specific object, task, or thought.