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: Medicine
[{'content': 'Restrinction Endonucleas function --> true about: \nSelect and explain. \nA. Cut both the strands of ds DNA, B. The cut ends produced are sticky, C. The cut ends produced are blunt, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A i.e. Cut both strands of ds DNA; B i.e. Cut ends produced are sticky; C i.e. Cut end produced are blunt', 'role': 'assistant'}]