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': 'The gaps between segments of DNA on the lagging strand produced by restriction enzymes are rejoined sealed by: \nSelect and explain. \nA. DNA Ligases, B. DNA Helicase, C. DNA topoisomerase, D. DNA phosphorylase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. DNA Ligases', 'role': 'assistant'}]