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': 'RFLP, true are -a) Endonuclease cuts DNA at nucleotide levelb) It acts at specific sitec) Only cohesive ends are producedd) Only blunt ends are produced \nSelect and explain. \nA. ac, B. a, C. ad, D. ab', 'role': 'user'}, {'content': 'Answer: D \nExplanation: RFLP uses restriction endonuclease enzyme which acts at specific site.\nRestriction endonuclease cut DNA at specific nucleotide sequence.', 'role': 'assistant'}]