Multiple Choice
Which of the following statements about -sheet structures is true?
A) The individual strands of all -sheet structures are connected by turns, helices, or loops.
B) All amino acid side chains in antiparallel and parallel -sheet structures point to one side of the sheet.
C) Parallel -sheet structures have backbone amides that directly hydrogen bond between strands, whereas antiparallel
-sheets have hydrogen bonds that are offset.
D) All -sheet structures form a spiraling backbone chain.
Correct Answer:

Verified
Correct Answer:
Verified
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