Monoclonal antibodies:a
have been linked as causative agents in some types of cancer.
b. are only produced by harvesting B cells from mice exposed to particular antigens.
c. include hCG, a component of commonly used home pregnancy tests.
d. are very specific for their target antigen, but are somewhat difficult to purify.
e. are produced by millions of genes.
c
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Vultures feed on dead and decaying animals. They have large, powerful beaks, which rip
strips of meat off a carcass that are then swallowed whole. These animals are __________.
a. bulk feeders b. fluid feeders c. predators d. filter feeders
In an ionic bond,
A. two atoms are attracted by partial positive and negative charges. B. two atoms are attracted by the same charges. C. atoms attract each other by sharing electrons to fill their valence shells. D. atoms, having gained or lost electrons, attract one another with opposite charges. E. two atoms both become strongly electronegative and attract each other.
The type of citation format used in Bio-155 is___________
A. Ecology format B. AMA format C. MLA format D. APA format
The C4 mechanism of carbon fixation is an advantage for plants that live in:
a) ponds or other bodies of fresh water. b) swamps or bogs. c) the shade of other plants. d) hot, dry climates. e) tropical climates.