Which of the following is the first and the most important step in the polymerase chain reaction?

Which of the following is the first and the most important step in the

1.	Which of the following is the first and the most important step in the polymerase chain reaction?
A.	Annealing
B.	Primer extension
C.	Denaturation
D.	None of the above
Answer» D. None of the above