(1)Mention the number of primers required in each cycle of polymerase chain rection(PCR). Writ the role of primers and DNA polymerase in PCR.(2)Give the characteristic feature and source organism of the DNA polymerase used in PCR.
(1)2 sets of primers DNA polymerisation/extended the primers using the nucleotides.(2)Thermostable/ remain active during high temperature induced denaturation of DNA, Therous aquaticus.