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': 'For PCR which of the following is not required - \nSelect and explain. \nA. Taq polymerase, B. d-NTP, C. Primer, D. Radiolabelled DNA probe', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Following are required in PCR :- Target double stranded DNA, two specific primers, a thermostable DNA polymerase (Taq polymerase), deoxyribonucleotides (dNTP).', 'role': 'assistant'}]