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': 'Which of the following is not true about PCR -a) Thermostable enzyme is usedb) Annealing is done after DNA denaturationc) Specific primers re-requiredd) Required atleast 1 week time for synthesise) DNA polymerase has to be added on each cycle \nSelect and explain. \nA. ab, B. de, C. cd, D. bd', 'role': 'user'}, {'content': 'Answer: B \nExplanation: PCR is a speedy process & does not require 1 week time for synthesis.\nDNA polymerase need not be added in each cycle as it is thermostable.', 'role': 'assistant'}]