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Mad Cow Disease

GRE-TJRZXL

Select the TWO answer choices that, when used to complete the sentence, fit the meaning of the sentence as a whole and produce completed sentences that are alike in meaning.

Mad Cow Disease is the layman’s term for a lethal disease that originates in cows and can spread to humans through consumption of infected tissue. This disease causes the human brain to _______________ because of an infected protein called a prion.

A

degenerate

B

deteriorate

C

extirpate

D

lilt

E

occlude

F

vituperate