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I'm not completely clear when you say "what makes the replication terminate when the polymerase reaches the primer at the other end" since when you perform a PCR you go through three phases. The denaturation, whereby the two DNA strands become single stranded, then the annealing, which is when primers attach to their appropriate matching site (but the ...


Note: In your PCR program you always set extension time. Case: Product length = 500bp PCR extension time = 50sec Assuming that polymerase adds 1000 nt/min Cycle 1: Strand that binds FP: extends ~800nt to the right (as per the polymerization rate): 300 bp ahead of RP complementary site. This product is lets say P1 Strand that binds RP: extends ~800nt ...

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