A Factor That Might Have Contributed to the Weakening of the U.S

question 27

Multiple Choice

A factor that might have contributed to the weakening of the U.S. economy in 2007-2009 was

• A)historically low interest rates.
• B)rapid growth of the money stock.
• C)the impending expiration of the Bush Tax Cuts of 2003.
• D)rising levels of federal government spending.

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Definitions:

Tryptophan Operon

A segment of DNA in bacteria that regulates the production of tryptophan by switching the genes responsible for its synthesis on or off.

Active Repressor Protein

A protein that binds to specific DNA sequences to inhibit the transcription of certain genes, controlling gene expression.

Inactive RNA Polymerase

An RNA polymerase enzyme in a resting state that is not involved in the transcription of DNA into RNA.

Negative Control

An experiment or part of an experiment where no response is expected, serving to highlight the effect of the experimental treatment.