MCAT Biochemistry Question 6: Answer and Explanation
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Question: 6
6. Which of these is most likely to be preserved when a protein is denatured?
- A. Primary structure
- B. Secondary structure
- C. Tertiary structure
- D. Quaternary structure
Correct Answer: A
Explanation:
Denaturing a protein results in the loss of three-dimensional structure and function. Because the denaturation process does not normally result in breaking the peptide chain, the primary structure should be conserved. All of the other levels of structure can be disrupted.