Phagocyte attachment to a pathogen is enhanced by a process known as 109)
A) opsonization.
B) leukocytosis.
C) chemotaxis.
D) margination.
E) diapedesis.
Answer: A) opsonization.
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The region of the centromere contains repeated DNA sequences known as ________.
Fill in the blank(s) with the appropriate word(s).
Tortoises colorizing the different Galapagos islands and evolving into different species is an example of ______ speciation.
A. prezygotic B. allopatric C. postzygotic D. sympatric E. outgroup
The organism, Phytophthora infestans, responsible for the Irish Potato Famine of 1845 and 1847 belongs to
A. Euglenozoa. B. Alveolata. C. Stramenopila. D. Chlorophyta. E. Rhodophyta.
Which of the following statements regarding an inactivated vaccine is FALSE?
A) It can be produced with deactivated whole microorganisms. B) It can be produced from antigenic fragments of a pathogen. C) It is safer than an attenuated vaccine. D) It is made from mutated forms of the pathogen. E) It is made from pathogens that cannot replicate.