TCRs only recognize antigens presented by APC; therefore, (BCR/MHC/Th1 ) molecules ultimately determine which epitopes elicit an immune response
What will be an ideal response?
MHC
Bloom's Taxonomy: Comprehension
Section: Elements of Adaptive Immunity
Learning Outcome: 16.10
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The majority of an individual fungus lives "in" its food source. What characteristics of the fungal growth form make this a necessity?
A. Fungi have a high ratio of surface area to volume and are highly susceptible to dessication. B. Fungi have a low ratio of surface area to volume and are highly susceptible to dessication. C. Fungi require the stimulus of "pushing" through the substrate to stimulate growth. D. Fungi require more nutrients than other organisms, and large amounts of nutrients can only be acquired by living in a host.
A bacterium coated by antibodies is a signal that a macrophage should endocytose (eat) it
a. true b. false
All of the following are respiratory surfaces EXCEPT for
A) tracheae of a fly. B) alveoli of dogs. C) skin of earthworms. D) air sacs of birds. E) gills of fish.
Take a group of closely related species that vary in the average number of males a sin-gle female will mate with
What pattern would you expect, given the results of studies from the literature, if you measured sperm competition in each of the species? a. Sperm competition will show a positive relationship to the number of males per female. b. Sperm competition will show a negative relationship to the number of males per female. c. Sperm competition will show no relationship to the number of males per female. d. Cannot make a prediction with the information given.