Based on the following classification scheme, which two organisms are most closely phylogenetically related? Why?
What will be an ideal response?
Sitophilus oryzae and Sitophilus zeamaize. These share the same Kingdom, phylum, class, order, and genus.
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The site-specific recombinases are similar to topoisomerases in what way?
A. They introduce supercoils. B. They require ATP hydrolysis for their activity. C. They promote phosphoryl group transfers in which the net change in free energy is close to zero. D. They also assist in compaction of the DNA. E. They mediate strand invasion reactions.
Which class of drugs would be effective against HIV but not against most other pathogenic viruses?
A. Nucleotide analogs that halt replication. B. Receptor antagonists that block viral entry. C. Non-nucleoside reverse transcriptase inhibitors that block reverse transcription. D. Translation inhibitors that stop assembly of viral proteins. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? . Gather Content · What do you already know about HIV replication? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Hydrogen peroxide may be used as a sterilant on living tissue
Indicate whether this statement is true or false.
Pulmonary veins carry
A. oxygenated blood. B. deoxygenated blood. C. a mixture of oxygenated and deoxygenated blood.