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Primer binding site
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<p>A primer binding site is a <a href="/facts/Region/CdM1oaR3">region</a> of a <a href="/facts/Nucleotide/pQKEwlJI">nucleotide</a> <a href="/facts/Sequence/gV2S4uqp">sequence</a> where an <a href="/facts/RNA/HxPeNfNj">RNA</a> or <a href="/facts/DNA/nB89Iauz">DNA</a> single-stranded <a href="/facts/Primer_(molecular_biology)/I3fBfwte">primer</a> <a href="/facts/Molecular_binding/cBnorUC5">binds</a> to start <a href="/facts/Self-replication/NbsfzT4l">replication</a>. The primer binding site is on one of the two <a href="/facts/Complementarity_(molecular_biology)/WQfqGlBJ">complementary</a> strands of a double-stranded <a href="/facts/Nucleotide/pQKEwlJI">nucleotide</a> <a href="/facts/Polymer/eF32E50K">polymer</a>, in the strand which is to be copied, or is within a single-stranded nucleotide polymer sequence. </p>