In Order to Perform PCR,which of the Following Describes the Reagents

Multiple Choice

In order to perform PCR,which of the following describes the reagents that must be included in the reaction mixture?

A) DNA fragment,primers flanking the region of interest,dNTPs,DNA polymerase
B) DNA fragment,primers flanking the region of interest,dNTPs,ddNTPS,DNA polymerase
C) DNA fragment,one primer,dNTPs,DNA polymerase,DNA ligase
D) DNA fragment,primers flanking the region of interest,dNTPs,DNA Ligase
E) none of the above