This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Structure and function of protein, Subject name: Biochemistry
[{'content': 'Endoplasmic reticulum do not paicipate in \nSelect and explain. \nA. Protein synthesis, B. Muscle contraction, C. Protein soing, D. Glycoproteins', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rough Endoplasmic Reticulum is involved in protein synthesis. EPR also involved in glycosylation of N linked glycoproteins. Exocytic pathway of protein soing is done by both RER & GA (Golgi apparatus) Reference: Harper; 30th edition', 'role': 'assistant'}]