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
All of the following proteins synthesised by free-ribosomes, EXCEPT 
Select and explain. 
A. Proteins that remain in cytosol, B. Lysosomal enzymes, C. Mitochondrial proteins, D. Peroxisomal enzymes
B: Lysosomal enzymes
Answer: B: Lysosomal enzymes 
Explanation: 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