Giant cells are
A. a fusion of B cells.
B. a fusion of T cells.
C. used to contain bacterial infections.
D. activated T helper cells.
E. a fusion of T cells AND used to contain bacterial infections.
C
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Because artificial selection is controlled by a breeder, how does it compare to natural selection?
A. It usually occurs at the same pace because mutations occur at the same rate. B. It usually is less efficient because there is no competition between individuals. C. It usually is more efficient because it is controlled through breeding and not reproductive success. D. It works well, but will only be able to produce a range of phenotypes based on the initial variation seen within the initial population. E. It works equally well, because both principles use the idea of hereditary traits to pass along variation to offspring.
Which species causes the waterborne disease giardiasis?
a. euglenoids b. trypanosomes c. diplomonads d. parabasalids e. any anaerobic protozoans
Chronic myelogenous leukemia appears to be associated with a chromosomal rearrangement. Which chromosome(s) is(are) involved, and what is the name of the rearrangement?
What will be an ideal response?
Antimicrobial spectrum of activity is best defined as
A. The types of bacteria against which a particular antimicrobial agent does and does not have activity B. the mechanism a microorganisms uses to resist the effects of a given antimicrobial C. Combination drug therapies D. Refers to the multidrug resistance of an organism