Protein Folding Can Be Studied Using a Solution of Purified

question 17

Multiple Choice

Protein folding can be studied using a solution of purified protein and a denaturant (urea) , a solvent that interferes with noncovalent interactions.Which of the following is observed after the denaturant is removed from the protein solution?

• A)The polypeptide returns to its original conformation.
• B)The polypeptide remains denatured.
• C)The polypeptide forms solid aggregates and precipitates out of solution.
• D)The polypeptide adopts a new, stable conformation.

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