True about polymerase chain reaction
High-Yield Explanation
New DNA strands are synthesized by Taq polymerize, this enzyme is derived from bacteria Thermus aquaticus , that are found in hot springsTherefore enzyme is not denatured at high temperature The polymerize reaction is allowed to take place at 72*c for 30 seconds in the presence of dNTPsRef: DM Vasudevan, 7th edition, page no: 638