This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
[{'content': 'True about ribosomes \nSelect and explain. \nA. Conserved in nature, B. Role is to bring t-RNA and m-RNA together, C. DNA forms RNA and protein are formed from RNA, D. They are always free', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ribosomes are the protein builders or the protein synthesizers of the cell. They are like construction guys who connect one amino acid at a time and build long chains. Ribosomes are special because they are found in both prokaryotes and eukaryotes', 'role': 'assistant'}]