Which Statement Regarding Protein Secondary Structures Is Correct

question 18

Multiple Choice

Which statement regarding protein secondary structures is correct?

• A) -strands allow -helices to interact with one another.
• B) Protein -helices alternate with -strands in stabilizing protein structure.
• C) Protein -helices are left handed, whereas -sheets are right handed in arrangement.
• D) Protein -helices and -strands differ in that -helices are stabilized by intrahelical hydrogen bonds, whereas -strands are stabilized by hydrogen bonds across adjacent strands.

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