the polymerase chain reaction is used to the polymerase chain reaction the polymerase enzyme used in pcr is the polymerase chain reaction is a technique used for the polymerase chain reaction requires the polymerase chain reaction can be used for identification of the polymerase chain reaction (pcr) the polymerase chain reaction is a lab version of the polymerase chain reaction is used to quizlet the polymerase chain reaction (pcr) is used to generate