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.

Biology & Microbiology

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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).

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology

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.

Biology & Microbiology