This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biological Function of Proteins, Subject name: Biochemistry
The primary role of chaperones is to help in? 
Select and explain. 
A. Protein synthesis, B. Protein degradation, C. Protein de-naturation, D. Protein folding
D: Protein folding
Answer: D: Protein folding 
Explanation: Ans. (d) Protein foldingRef Harper's 28/e, chapter 45, Table 45-5, Table 45-6