This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
[{'content': 'True about Restriction enzyme \nSelect and explain. \nA. Palindromic, B. Produce DNA sticky end, C. Restict replication of DNA, D. Restriction sites are not specific', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Restriction enzyme or restriction endonuclease is an enzyme that cuts DNA at or near specific recognition nucleotide sequences known as restriction sites.Recognising a palindromic sequence enables them to cut both strands of DNA at the "same" site because the strand will have the same sequence only in different directions at that site.', 'role': 'assistant'}]