What Is a Difference Between Parallel and Antiparallel $\beta$ -Sheet Secondary Structures?
A) Antiparallel

question 75

Multiple Choice

What is a difference between parallel and antiparallel $\beta$ -sheet secondary structures?

• A) Antiparallel\(\beta\)-sheets have a larger number of stabilizing H bonds between backbone amides than parallel \(\beta\)-sheets.
• B) Parallel \(\beta\)-sheets require a larger loop connecting together the individual peptide strands in the sheet.
• C) Parallel \(\beta\)-sheets are longer than antiparallel sheets.
• D) Parallel \(\beta\)-sheets have amino acid side chains alternating up and down, whereas antiparallel side chains alternate down and up.

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