A molecule or praticle recognized by the body

as nonself is a(an)



a. antibody.
b. antigen.
c. complement.
d. macrophage.
e. phagocyte


B

Biology & Microbiology

You might also like to view...

Compare and contrast the location and activities of periplasm-binding proteins of ABC transport systems in gram-negative and gram-positive Bacteria

What will be an ideal response?

Biology & Microbiology

Natural selection is most nearly the same as

A) diploidy. B) gene flow. C) genetic drift. D) non-random mating. E) differential reproductive success.

Biology & Microbiology

Transduction is the result of what mistake that viruses make during replication?

A. transcribing bacterial genes upon excision B. incorporating bacterial genes during phage assembly C. cutting up the bacterial chromosome D. cutting up the viral genome E. inserting a viral DNA fragment into the bacterial chromosome

Biology & Microbiology

Which of the following is NOT a characteristic of all living things?

A. metabolism B. motility C. growth D. reproduction E. responsiveness

Biology & Microbiology