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': 'Protein synthesis in cell is done by: \nSelect and explain. \nA. Nucleus, B. Rough endoplasmic reticulum, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Both nucleus and rough endoplasmic reticulum are involved in protein synthesis Ref: Guyton and Hall textbook of medical physiology 12th edition ,pag number:10,11,12', 'role': 'assistant'}]