This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'The following are involved in protein folding: \nSelect and explain. \nA. Rough endoplasmic reticulum, B. Smooth endoplasmic reticulum, C. Golgi apparatus, D. All', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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', 'role': 'assistant'}]