Which of the Following Statements About Protein Structure Is Correct

question 38

Multiple Choice

Which of the following statements about protein structure is correct?

• A) Disulfide interactions are required for the stability of globular structures.
• B) Hydrophobic sidechains commonly occur clustered in interior areas of globular proteins.
• C) The alpha-helix is maintained chiefly by hydrophobic interactions.
• D) Covalent linkages between the protomeric chains are a common feature of globular oligomeric proteins such as hemoglobin and lactate dehydrogenase (LDH).
• E) Pleated-sheet structures are found only in fibrous proteins.

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