Which one of the following diseases is closely related to and clinically indistinguishable from rabies?
a) Eastern equine encephalitis
b) West Nile virus
c) Polio
d) European bat lyssavirus
Ans: d) European bat lyssavirus
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The human immunodeficiency virus (HIV) is an example of a retrovirus. In order to prevent incorporation of the viral DNA into the host genome, antiretroviral drugs could
A) inhibit the viral reverse transcriptase. B) inhibit retro-RNA polymerase. C) inhibit polyadenine removal. D) inhibit the viral reverse transcriptase and polyadenine removal. E) None of these are good antiretroviral strategies.
The difference between ATP and the nucleoside triphosphates used during DNA synthesis is that _____
A) the nucleoside triphosphates have the sugar deoxyribose; ATP has the sugar ribose B) the nucleoside triphosphates have two phosphate groups; ATP has three phosphate groups C) ATP contains three high-energy bonds; the nucleoside triphosphates have two D) ATP is found only in human cells; the nucleoside triphosphates are found in all animal and plant cells
Stanley Miller's experiment
A. proved the origin of life. B. demonstrated that complex organic molecules might have been formed on primitive Earth. C. showed how energy created life. D. disputed the Oparin hypothesis.
The vertebrate central nervous system consists of a brain and _________.
Fill in the blank(s) with the appropriate word(s).