If you are using number of competitors as a control variable and the local unemployment rate as a proxy for economic climate in a regression to estimate the effect of price on sales, all the following variables will show up in the regression except for:
A. sales.
B. economic climate.
C. the number of competitors.
D. price.
Answer: B
Biology & Microbiology
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The polymerase chain reaction is used to duplicate small sections of
A. DNA. B. RNA. C. proteins. D. lipids.
Biology & Microbiology
A reduction in up to 40% of the species on the planet may be caused by what factor?
a. habitat loss b. invasive species c. climate change d. disruption in the carbon cycle
Biology & Microbiology
_____, which occurs when two related viruses infect the same host at the same time, can lead to the emergence of new
viral strains. Genetic isolation
a. DNA mutation b. Cell lysis c. Viral reassortment d. Genetic isolation e. Reverse transcription
Biology & Microbiology
____ are not considered microorganisms.
A. Yeast cells B. Bacteria C. Protozoa D. Insects
Biology & Microbiology