Refer to the Figure Below

question 1

Multiple Choice

Refer to the figure below. What level of protein structure is illustrated in sections A and B of this polypeptide, and what types of forces indicated by the letter C stabilize these sections?

• A) Primary structure, disulfide bridges
• B) Secondary structure, hydrogen bonds
• C) Secondary structure, salt bridges
• D) Tertiary structure, salt bridges
• E) Tertiary structure, hydrogen bonds

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