Each of the Following Was Used to Elucidate the TCA

question 26

Multiple Choice

Each of the following was used to elucidate the TCA cycle EXCEPT

• A) using radiolabeled acetate to determine which carbons were oxidized to CO2 .
• B) the use of crude enzyme preparations from a variety of sources such as cucumber seeds and beef liver.
• C) adding a variety of short-chain fatty acids commonly found in cells to detect activity.
• D) the use of C14-labeled carbon compounds as a source of carbon under anoxic conditions.
• E) using C13 to determine which intermediates are enriched under various growth conditions.

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Definitions:

Cash Ratio

A liquidity ratio that measures a company's ability to pay off its short-term liabilities with its cash and cash equivalents.

Average Collection Period

The average number of days it takes for a business to receive payment from its customers for invoices issued.

Total Asset Turnover

A financial ratio that measures the efficiency of a company's use of its assets in generating sales revenue; calculated by dividing sales by total assets.

Fixed-Asset Turnover

A financial ratio that measures a company's efficiency in using its fixed assets to generate sales, indicating how well assets are being managed.