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': "In a DNA the coding region reads 5'-CGT-3'. This would code in the RNA as: \nSelect and explain. \nA. 5'-CGU-3', B. 5'GCA-3', C. 5'-ACG-3', D. 5'-UGC-3'", 'role': 'user'}, {'content': "Answer: A \nExplanation: A i.e. 5' - CGU - 3'", 'role': 'assistant'}]