Which of the Following Statements About $\beta$ -Sheet Structures Is True?
A) the Individual Strands of All

Which of the following statements about $\beta$ -sheet structures is true?

A) The individual strands of all $\beta$ -sheet structures are connected by turns, helices, or loops.
B) All amino acid side chains in antiparallel and parallel $\beta$ -sheet structures point to one side of the sheet.
C) Parallel $\beta$ -sheet structures have backbone amides that directly hydrogen bond between strands, whereas antiparallel $\beta$ -sheets have hydrogen bonds that are offset.
D) All $\beta$ -sheet structures form a spiraling backbone chain.

Correct Answer:

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