The Difference Between the Stretching Ability of Silk and Wool $\alpha$

question 78

Multiple Choice

The difference between the stretching ability of silk and wool fibers, low and high ability to stretch, respectively, is due to their protein components. Which statement CORRECTLY attributes the secondary structure contributions to this stretch ability?

• A) Both silk and wool fibers have roughly equal distributions of \(\alpha\) helices and \(\beta\) sheets, but they are arranged in different conformations.
• B) Silk is mainly \(\beta\) sheets; wool is mainly \(\alpha\) helices.
• C) Silk is mainly \(\alpha\)helices; wool is mainly \(\beta\) sheets.
• D) Silk contains mainly \(\beta\) barrels; wool contains mainly coiled-coil \(\alpha\) helices.
• E) Silk contains coiled-coil \(\alpha\) helices; wool contains mainly \(\beta\) barrels.

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Definitions:

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The obligation of organization leaders to make decisions, direct operations, and ensure the achievement of organizational goals.