This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': 'Protein biosynthesis occurs in ? \nSelect and explain. \nA. Cytoplasm, B. ER, C. Ribosomes, D. Mitochondria', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Although both ribosomes & RER are involved in synthesis of protein, the cellular component on which all intractions take place to synthesize the protein is ribosome.', 'role': 'assistant'}]