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
[{'content': 'Least post translational modification occurs in \nSelect and explain. \nA. t-RNA, B. Prokaryotic r- RNA, C. Eukaryotic r - RNA, D. Prokaryotic mRNA', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Prokaryotic mRNA', 'role': 'assistant'}]