Which component of air pollution can react with sunlight to form chemicals similar to tear gas?
a. carbon dioxide
b. nitric oxide
c. sulfuric oxide
d. chlorofluorocarbons
e. ozone
ANSWER: b
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ABO blood type demonstrates which of the following inheritance patterns? (Select all that apply.)
A) complete dominance B) incomplete dominance C) codominance D) pleiotropy E) three genes are involved
While eating lobster for dinner one night your friend asks what you think might happen if this marine invertebrate, which is normally isosmotic with respect to the surrounding seawater, were to be moved to a bay with a slightly lower salt concentration instead of being caught. You reply that, in order for the lobster to be isosmotic with respect to new environment,
A. it regulates its internal concentration of solutes to match that of its new environment. B. it moves water in or out and regulates its internal concentration of water as needed. C. it must move water in to match the solute concentration of its new environment. D. it must move water out to match the solute concentration of its new environment.
The recent epidemic of SARS virus was caused by a(n)
A) adenovirus. B) rhinovirus. C) coronavirus. D) flavivirus. E) togavirus.
Kinesis is
A. a nondirectional movement in response to a stimulus B. a movement away from a stimulus. C. a movement toward a stimulus. D. the cessation of movement in response to a stimulus E. movement due to associative learning