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
For polymerase chain reaction which of the following is not required 
Select and explain. 
A. TAQ polymerase, B. d-NTP, C. Dideoxynucleotides, D. Magnesium
C: Dideoxynucleotides
Answer: C: Dideoxynucleotides 
Explanation: None