A DNA plasmid encoding a protein antigen from West Nile virus is injected into muscle cells of a horse. This is an example of a(n)
A) subunit vaccine.
B) conjugated vaccine.
C) nucleic acid vaccine.
D) attenuated whole-agent vaccine.
E) live whole-agent vaccine.
C
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After an oil spill, bacteria that can metabolize hydrocarbons are released for bioremediation. After a month, two areas affected by the spill show different levels of improvement. What factor should be measured to determine the difference in effectiveness between the two sites?
A. Temperature B. Oxygen levels C. pH D. Salinity E. Nutrient levels F. All of these factors may play a role. 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 bioremediation? 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?
Plants exude ____ from roots to stimulate the growth of soil fungi
a. strigolactones b. cytokinins c. ethylene d. auxins e. jasmonates
____ factors determine which type of algae species will predominate in tide pools in New England
a. Bottom-up b. Top-up c. Abiotic d. Biological e. Physical
Ser Thr kinases take the gamma phosphate off of ATP and covalently link it to a hydroxyl group.
a. true b. false