Consider two solutions: solution X has a pH of 4; solution Y has a pH of 7. From this information, we can reasonably conclude that _____
A) solution Y has no free hydrogen ions (H+)
B) the concentration of hydrogen ions in solution Y is 1000 times as great as the concentration of hydrogen ions in solution X
C) the concentration of hydrogen ions in solution X is 3 times as great as the concentration of hydrogen ions in solution Y
D) the concentration of hydrogen ions in solution X is 1000 times as great as the concentration of hydrogen ions in solution Y
D
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The pace of evolution does not always occur at a constant rate but is periodically interrupted by rapid bursts of speciation; this is known as ________.
What will be an ideal response?
According to the example of the genotyping microarray depicted in Figure 15.8, which one of the following genotypes will fluoresce at the most sites?
A. the homozygous C-G/C-G genotype B. the homozygous T-A/T-A genotype C. the heterozygous C-G/T-A genotype D. None of the answer options is correct; they all fluoresce at an equal number of sites. E. It is impossible to determine with the information provided.
During a baseball game a batter ducks to avoid a wild pitch. In this situation, the ____ is the stimulus and ____ is the response.
A. pitcher; the batter B. pitcher; wild pitch C. ducking; wild pitch D. wild pitch; ducking
During production of urine, a major function of the kidney is
A) water conservation. B) amino acid production. C) urea conservation. D) uric acid production.