The following are involved in protein folding:: (A) Rough endoplasmic reticulum, (B) Smooth endoplasmic reticulum, (C) Golgi apparatus, (D) All
Answer is A. Rough endoplasmic reticulum has specific proprote called chaperons They help in protein folding Ref:Guyton and Hall textbook of medical physiology 12th edition ,page number:10,11,12