The unequal distribution of acid rain over the United States is closely correlated with
a. per capita energy use.
b. fertilizer use.
c. burning fossil fuels for energy production.
d. average summer temperatures.
e. mountain ranges.
C
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Microbial control in wastewaters would most logically be a part of
A) microbial genetics. B) aquatic microbiology. C) medical microbiology. D) bacterial energetics.
A scientist collects a spore from a new species of fungus and observes that this spore has a flagellum. What does the presence of a flagellum suggest about the lifestyle of this species?
A. It is aquatic. B. It is an endomycorrhizal fungus. C. It relies on insects for spore dispersal. D. It is unicellular. E. Its spores are produced asexually.
Substances that release ions when dissolved in water and conduct electricity are ________.
A. electrons B. solvents C. nonpolar D. electrolytes E. covalent
In eukaryotic cells, if you compared the DNA sequence of a gene with the sequence of the processed mRNA that was transcribed from the gene you would find
A. both are the same length. B. the mRNA is shorter because it does not contain introns. C. the mRNA is longer because each codon of one amino acid encodes three bases. D. the mRNA is shorter because each codon of three bases encodes only one amino acid. E. the mRNA is shorter because it does not contain exons.