Kuru is a degenerative disease of the central nervous system believed to be caused by which type of agent?

A) virus
B) bacterium
C) prion
D) viroid
E) protozoan


Answer: C

Biology & Microbiology

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The physical characteristics of an organism resulting from its genes are known as the organism's

a. alleles. b. hybrids. c. recessive characteristics. d. genotype. e. phenotype.

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Without the cycling of water, biogeochemical cycles would cease

Indicate whether the statement is true or false

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Which phrase describes proteobacteria?

a. They are Gram-positive and include the purple bacteria. b. They are Gram-negative and include the green bacteria. c. They are Gram-negative and include the purple bacteria. d. They are Gram-positive and include the green bacteria.

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Which of the following antivirals is not used for treatment of HSV-1 and HSV-2?

A. Acyclovir B. Famciclovir C. Interferon D. Valacyclovir E. All of the choices are correct.

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