The Polymerase Chain Reaction (PCR)is Used as a Tool for

question 56

Multiple Choice

The polymerase chain reaction (PCR) is used as a tool for

• A)breaking down DNA for analysis.
• B)amplifying the amount of DNA to provide a large sample.
• C)fragmenting DNA into smaller pieces.
• D)rearranging the gene sequences in isolated fragments of DNA.
• E)extracting DNA from nuclei.

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Definitions:

Current Account

A component of a country's balance of payments that includes the trade balance, net primary income, and net income transfers, indicating the flow of goods, services, and payments in and out of the country.

Net Exports

Net exports are the difference between a country's total exports of goods and services and its total imports of them, representing the external demand for a country’s goods.

Statistical Discrepancy

The difference between two figures that are supposed to match but do not, often found in economic data due to estimation errors or timing differences.

Current Account

A country's trade balance, plus net income and direct payments, representing the difference between a nation's savings and its investment.