Which of the following is a primary advantage of semisynthetic drugs?
A) They are less stable and consequently have fewer side effects.
B) They work faster.
C) They have a broader spectrum of action.
D) They must be administered intravenously.
E) They are not readily absorbed, so they persist longer.
C
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Which of the following is NOT an accomplishment of Louis Pasteur?
A) determined that the alcohol-making process was mediated by microbial fermentation and thus refuted the theory of spontaneous generation B) developed enrichment culture techniques C) developed heat sterilization techniques that involved the creation of a specialized swan-necked flask D) developed the first rabies vaccine and treated thousands of individuals
Recall Stiling and Drake's experiments using chambers with elevated CO2. What are the implications of their experiment for farmers in the coming decades, if CO2 levels rise as predicted?
A. Farmers will see higher crop productivity and less insect damage, but the crops will be less nutritious. B. Farmers will see higher crop productivity and nutrition, but there will be more insect damage. C. Farmers will see lower crop productivity and nutrition, in addition to more insect damage. D. Farmers will see higher crop productivity, but there will be more insect damage and the crops will be less nutritious.
Infection with HIV is routinely verified using a(n) ________ assay
A) direct fluorescent antibody B) immunodiffusion precipitation C) viral neutralization D) viral hemagglutination inhibition E) immunoblot
Describe the different vaccine types, and the advantages and disadvantages of each
What will be an ideal response?