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
True about ribosomes: 
Select and explain. 
A. Conserved in nature, B. Role is to bring t-RNA and m-RNA together, C. DNA forms RNA and rotein are formed from RNA, D. All
D: All
Answer: D: All 
Explanation: A, B, C i.e. Conserved in nature, Role is to bring t-RNA and m-RNA together, DNA forms RNA and rotein are formed from RNA, Have two subunits