This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Molecular Biology Techniques, Subject name: Biochemistry
[{'content': 'All are added to PCR, except: \nSelect and explain. \nA. Deoxynucleotide, B. Dideoxynucleotide, C. Thermostat DNAP, D. Template DNA', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Dideoxynucleotide(Ref: Tietz Textbook of Clinical Chemistry 4fe page1446)Pre requisites of PCRSample DNA to be amplifiedDeoxynucleotides.Thermostable Polymerase--Taq Polymerase obtained from Thermus Aquaticus found in hot springs.Primer.Mgcl2 , KCl', 'role': 'assistant'}]