This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Basics of DNA, Subject name: Biochemistry
[{'content': 'Function of endonucleases:- \nSelect and explain. \nA. Cut DNA at specific DNA sequences, B. Enhancers, C. To find out antibiotic resistances, D. To point out the coding regions', 'role': 'user'}, {'content': "Answer: A \nExplanation: Endonuclease Exonuclease Cut in between the DNA sequence Cut from the sides either from 5' or from 3' side Cut ds DNA Cut ss & ds DNA", 'role': 'assistant'}]