An allergic response is an overreaction of the immune system.
Answer the following statement true (T) or false (F)
True
Allergic responses are hypersensitivities (greater sensitivities).
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The term oxidation is derived from the name of the element oxygen. This is reasonable, because oxygen
A. attracts electrons very strongly. B. can be oxidized by accepting electrons. C. contains more electrons than are needed. D. passes electrons to many other types of molecules.
Normal biota of the respiratory tract
A. only include Staphylococcus aureus. B. can cause disease in immunocompromised patients. C. are only comprised of staphylococcal species. D. are localized to the nasopharynx only. E. do not include yeasts or viruses.
In contrast to bioremediation, which as a strategy for ______________, biological augmentation ______________ a degraded ecosystem.
a. replacing extirpated species.... removes man-created pollutants and toxins from b. eradicating a crippling disease in a keystone species... involves planting fruit and grain bearing crops to provide more forage in c. removing harmful substances... uses organisms to add essential material to d. adding new species to control problem species... adds fertilizer to nutrient-poor soils in e. using organisms to add essential materials... removes harmful substances from
Structures that may be visible under the microscope and indicate where crossing over has occurred.
A. chiasma B. homologue C. kinetochore D. synapsis E. synaptonemal