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': 'The cellular component of protein synthesis is : \nSelect and explain. \nA. Smooth endoplasmic reticulum, B. Rough endoplasmic reticulum, C. Ribosomes, D. Mitochondria', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ribosomes >> Rough endoplasmic reticulum Rough ER is that ER on which ribosomes are attached and protein synthesis occurs in ribosomes. So, best answer here is 3. Fig.: Free ribosomes present in cytoplasm (not attached to ER) Fig.: Ribosomes attached to cytosolic side of ER BUT SER is responsible for the synthesis of lipids, in detoxification and Ca sequestration & release.', 'role': 'assistant'}]