All of the following are correct about Tamiflu and Relenza except
A. they inhibit fusion and uncoating of the virus.
B. they are used to treat infections by influenza A and B.
C. they should be given early in an infection.
D. they are effective prophylactics for influenza.
E. they prevent assembly and release of the virus.
Answer: E
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Fluorescent in situ hybridization (FISH) probes are applied to intact cells and observed microscopically for the presence and location of
A. a specific genetic marker sequence. B. RNA. C. recombinant DNA. D. proteins. E. DNA.
Based on the literature, you hypothesize that students in traditional biology lectures will have the same grades as students in online biology lectures. You decide to test your hypothesis by comparing grades of students in traditional and online biology lectures over a semester. As a result of the experiment, you observe that the grades in the traditional lectures and the grades in the online lectures are not significantly different. What do these observations allow you to do?
A. accept the hypothesis without further question B. reject the null hypotheses C. develop a scientific theory D. reject the hypothesis
Which of the following statements is true of bacterial plasmids?
A. They are always found in the nucleoid. B. They can replicate autonomously. C. They carry genes for essential metabolic functions. D. They are small circular DNA molecules. E. They are small circular DNA molecules that can replicate autonomously.
In the cladogram shown, the animals across the top are a lancelet, lamprey, salmon, lizard, and rabbit (from left to right). If the salmon, lizard, and rabbit are an ingroup, which animals make up the outgroup, and which characteristics are synapomorphies of the ingroup? 
A. Lamprey and lancelet; notochord and vertebrae B. Lancelet, lamprey and salmon; notochord, vertebrae, and a hinged jaw. C. Lancelet and lamprey; hinged jaw. D. Lancelet only; notochord, vertebrae, hinged jaw, tetrapod, and mammary glands. E. Lizard and rabbit; tetrapod and mammary glands.