1. pcr is the abbreviation for
2. the special heat-stable dna polymerase used in pcr is called
3. the purpose of heating the dna is to the complementary strands.
4. the purpose of cooling the dna is to allow the dna primers to to the complementary sequences.
5. the purpose of pcr is to of a specific region of dna.
6. after 30 cycles of heating and cooling, there can be as many as copies of the target sequence produced from a single starting molecule.