This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
Reverse folding of proteins is carried out by which enzyme? 
Select and explain. 
A. Valine, B. Threonine, C. Chaperone, D. Aspaate
C: Chaperone
Answer: C: Chaperone 
Explanation: Most proteins in the body maintain their natural configuration or if that is paially lost are renatured by the action of molecular chaperones.Ref: DM Vasudevan, 7th edition, page no: 729