This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Organelles, Subject name: Biochemistry
[{'content': 'All of the following proteins synthesised by free-ribosomes, EXCEPT \nSelect and explain. \nA. Proteins that remain in cytosol, B. Lysosomal enzymes, C. Mitochondrial proteins, D. Peroxisomal enzymes', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Cytosolic ribosomes synthesize: Rough ER ribosomes synthesize: Proteins present in- Mitochondria Nucleus Peroxisomes Cytosol Proteins present in- ER Golgi and Plasma membrane Secretory proteins Lysosomal enzymes', 'role': 'assistant'}]