Which of the Following Statements About -Helices and

question 89

Multiple Choice

Which of the following statements about -helices and
-sheets are FALSE?

• A) They are both incompatible with the amino acid proline.
• B) They both interact with other protein elements through amino acid side chains that stick out.
• C) They both contain a recurring pattern of hydrogen bonds from one peptide bond to another peptide bond.
• D) They both give rise to similar tertiary structures.

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Definitions:

Comparative Advantage

The ability of an individual, firm, or country to produce a certain good or service at a lower opportunity cost than competitors.

International Specialization

The economic strategy where countries focus on the production and export of goods and services for which they have a comparative advantage.

Trading Possibilities Line

A line that shows the different combinations of two products that an economy is able to obtain (consume) when it specializes in the production of one product and trades (exports) it to obtain the other product.

Cost Ratios

These ratios compare different types of costs to each other or to sales in order to evaluate a company's financial efficiency and profitability.