Adenoviruses are a frequent cause of acute upper respiratory tract infections in humans. Adenoviruses have a genome composed of double-stranded DNA; they are non-enveloped and their capsid contains a "fiber" protein that is analogous in function to the spike glycoproteins of HIV. Latency of the adenovirus can occur in lymphoid tissues. Based on this information, which of the following would be the best type of drug to develop to combat adenoviruses in humans?
A. a drug that inhibits reverse transcriptase
B. a drug that binds to fiber protein receptors in human cells
C. a drug that can switch off latency
D. a combination of drugs that inhibit reverse transcriptase and that binds to fiber protein receptors in human cells
E. a combination of drugs that inhibit reverse transcriptase, binds to fiber protein receptors in human cells, and switches off latency
B. a drug that binds to fiber protein receptors in human cells
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According to Niko Tinbergen, Which question is least likely to be addressed by basic studies of animal behavior?
a. What is the behavior’s ecological function and how does it increase an animal’s chances of surviving and reproducing? b. How did the behavior evolve? c. Which mechanisms trigger a specific behavioral response? d. How does the expression of a behavior develop as an animal matures?
e. How will the behavior be displayed after future evolutionary processes occur?The sharp reduction of the gene pool and the numbers of a population through a severe epidemic is an example of
____. a. natural selection b. genetic isolation c. the bottleneck effect d. the founder effect e. the wild card effect
what does the D and T part of the acronym DTP vaccine represent?
What will be an ideal response?
____________________ secrete hormones into blood.
Fill in the blank(s) with the appropriate word(s).