The Alpha-Helix

question 138

Multiple Choice

The alpha-helix

• A) has hydrogen bonds that are perpendicular to the axis of the helix.
• B) has 3.6 amino acid residues per turn.
• C) is made up chiefly of proline or hydroxy proline residues.
• D) All of the above are true.
• E) Only two of the above are true.

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