What is the role of interleukins?
A) chemotaxis of leukocytes
B) production of virally infected cells
C) ensuring production of enough leukocytes
D) signaling between leukocytes
E) complement activation
D
Bloom's Taxonomy: Comprehension
Section: Elements of Adaptive Immunity
Learning Outcome: 16.20
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Which of the following is not evidence that plants and the animals that eat them are locked in an evolutionary "arms race"?
A. R genes, instrumental in plant pathogen recognition, form one of the largest gene families in plants. B. Plants produce over 6000 alkaloids that act as chemical defense molecules. C. Plants produce over 10,000 terpenoid compounds. D. Plants in areas of high herbivory often produce low levels of defense compounds in their leaves. E. There are many specialist herbivores that are able to detoxify and in other ways avoid the chemical defenses produced by the plant they consume.
The mechanisms that control the number of crossover events in a cell have been well characterized
Indicate whether the statement is true or false.
Which of the following distinguishes terrestrial biomes from one another?
a. Plant diversity b. Precipitation c. Mountain ranges d. Animal diversity
In antibody-mediated immunity, where does the antigen first bind?
A. helper T cell B. memory cell C. BCR D. plasma cell E. TCR