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1. |
Which of these statements is true about the secondary structure of proteins? |
A. | Secondary structure of protein occurs only in the form of helices |
B. | Protein helices are always double-stranded |
C. | Protein helices and right-handed |
D. | Entire primary structure of the protein is folded into a helix |
Answer» D. Entire primary structure of the protein is folded into a helix | |