In a PCR reaction, a few seconds at high temperature disrupts the ____ that hold the two strands of DNA together, so every molecule of DNA unwinds and becomes single-stranded.

Question

In a PCR reaction, a few seconds at high temperature disrupts the ____ that hold the two strands of DNA together, so every molecule of DNA unwinds and becomes single-stranded.​

In a PCR reaction, a few seconds at high temperature disrupts the ____ that hold the two strands of DNA together, so every molecule of DNA unwinds and becomes single-stranded.