An atom has gained an electron; it has been ________.
A. reduced
B. oxidized
C. neutralized
D. deionized
E. ionized
Answer: A
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Transgenic animals are bred ________
a. for convenience in production b. all of the choices c. to increase food yield d. for medical research
Components of the first line of defense include all of the following, except
A. the tough cell sheet of the upper epidermis of the skin. B. the flushing action of tears and blinking. C. nasal hairs. D. the flushing action of urine. E. phagocytic white blood cells.
The exclusionary rule is the Supreme Court rule that states that ______.
A. illegally seized evidence cannot be used to obtain a conviction B. special regulations promulgated by the president to keep foreign aliens from entering the country apply only during a national crisis C. a defendant's previous record cannot be raised in a trial D. evidence not related to a crime must be excluded from a person's trial
The most likely explanation for why toothed whales have a blowhole is
A. blowholes are better for breathing underwater than gills are. B. they evolved from an animal with gills. C. they evolved from an animal with nostrils. D. blowholes are better for large animals.