Researchers Found E

question 28

Multiple Choice

Researchers found E.coli that had mutation rates 100 times higher than normal.What is a possible explanation for these results?

• A)The single-stranded binding proteins were malfunctioning.
• B)There were one or more mismatches in the RNA primer.
• C)The proofreading mechanism of DNA polymerase was not working properly.
• D)The DNA polymerase was unable to add bases to the 3′ end of the growing nucleic acid chain.

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Definitions:

U.S. Government

The federal government of the United States, consisting of three branches: legislative, executive, and judicial.

Crowding-Out Effect

A situation where increased government spending leads to reduced investment in the private sector, typically because of higher interest rates or the use of available financial resources.

Keynesians

Economists who follow the theories of John Maynard Keynes, emphasizing the role of government intervention and fiscal policy in managing economic cycles.

Monetarists

Economists who suggest that fluctuations in the money supply are key in affecting national output in the short term and in determining the price level over an extended term.