A Biochemist Isolates, Purifies, and Combines in a Test Tube

question 2

Multiple Choice

A biochemist isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. When she adds some DNA to the mixture, replication occurs, but each DNA molecule consists of a normal strand paired with numerous segments of DNA a few hundred nucleotides long. What has she probably left out of the mixture?

• A) DNA polymerase
• B) DNA ligase
• C) nucleotides
• D) Okazaki fragments
• E) primase

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Definitions:

Sustainable Growth Rate

The maximum rate at which a company can grow its revenues and earnings without needing to increase its financial leverage or equity financing, based on its current profitability, asset utilization, dividend policy, and debt/equity ratio.

Dividend Payout Ratio

A financial ratio that shows what portion of a company's earnings is distributed to shareholders in the form of dividends.

Debt-Equity Ratio

A ratio that delineates how company assets are proportionally funded through equity and debt.

Plug Figure

A number inserted into a financial calculation or model to make the numbers balance, often representing missing or estimated data.