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
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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.
Without the cycling of water, biogeochemical cycles would cease
Indicate whether the statement is true or false
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.
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.