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 of the following are situated away from the coding region: \nSelect and explain. \nA. Promoter, B. Enhancer, C. Operator, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A i.e. Promoter; B i.e. Enhancer; C i.e. Operator', 'role': 'assistant'}]