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': 'Which is involve in processing of post-transcriptional modification of mRNA: \nSelect and explain. \nA. Lariats formation, B. Splicing, C. Methylation, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A i.e. Lariats formation; B i.e. Splicing; E i.e. Methylation', 'role': 'assistant'}]