Fungal spores and animal dander are considered to be which type of allergen?
A. Contactant
B. Injectant
C. Ingestant
D. Inhalant
Answer: D
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Seals and penguins both have streamlined body forms that allow them to move through water efficiently. This similarity in body shape is mostly likely the result of:
A. convergent evolution. B. shared ancestry. C. homology. D. phylogeny. E. cladistics.
The ________ is the distance between the specimen and the objective lens when the specimen is in focus.
Fill in the blank(s) with the appropriate word(s).
Which of the following might be expected in the logistic model of population growth?
A) As N approaches K, b increases. B) As N approaches K, r increases. C) As N approaches K, d increases. D) Both A and B are true. E) Both B and C are true
Entry of a virus into the lytic cycle after lysogeny has been established is called ________.
A. induction B. lysogenic conversion C. lysogenic reversion D. None of the choices are correct.