Which Statement Is True About Disulfide Bonds and Protein Folding

question 40

Multiple Choice

Which statement is true about disulfide bonds and protein folding?

• A)Disulfide bonds have no influence on protein folding since they only form after the protein adopts its native conformation.
• B)Proteins occasionally adopt nonnative conformations and form improper disulfide bonds that can be reversed by the enzyme protein disulfide isomerase.
• C)The folding of the native conformation is influenced more strongly by the formation of disulfide bonds than by the primary structure of a protein.
• D)If a protein forms an improper disulfide bond it is irreversibly inactivated and must be targeted by the cell for degradation.

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