The Fc region on IgG
A. interacts with complement.
B.
attaches to receptors on macrophages.
C. reacts with and coats the antigen.
D. contains a variable region.
E.
interacts with complement AND attaches to receptors on macrophages.
E
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The first genome sequenced was that of a
A) virus. B) bacterium. C) eukaryote. D) archaeon.
According to the concept of ___________, species evolve continuously over long spans of time.
Fill in the blank(s) with the appropriate word(s).
Which cell is closest to the center/interior of the human eye?
a. optic ganglion cells b. amacrine cells c. bipolar cells d. rods and cones e. horizontal cells
A mountain rain shadow is the
a. arid area on the windward slope. b. wet area on the windward slope. c. arid area on the leeward slope. d. wet area on the leeward slope. e. arid area on either slope.