Which of the following statements about rhinoviruses is FALSE?
A) They are limited to infecting the upper respiratory tract.
B) They are the only viruses that can cause a common cold.
C) They are extremely infectious.
D) They thrive at 33°C.
E) Person-to-person contact is the most common mode of transmission.
B
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What role does Acidithiobacillus ferrooxidans play in the copper leaching process?
A) oxidation of sulfide to sulfate B) reduction of oxidized iron (Fe3+) to reduced iron (Fe2+) C) oxidation of reduced iron (Fe2+) to oxidized iron (Fe3+) D) reduction of sulfate to sulfide
For a certain trait, a heterozygous individual has a selective advantage as compared to a homozygous dominant or homozygous recessive individual. This is called ________
A. codominance B. incomplete dominance C. overdominance D. incomplete penetrance E. multiple allele systems
Select the incorrectly-matched osmoregulatory organ and the organism that uses it.
A. Malpighian tubules—insects B. antennal glands—mollusks C. protonephridia—flatworms D. nephridia—annelids E. kidney—fish
Over hundreds of millions of years, high pressure and temperature transformed ____ into deposits of oil and natural gas.
A. coal B. land animal remains C. land plant remains D. plankton remains E. sedimentary rock