Watson and Crick's discovery of DNA structure in 1953 revealed a possible ... As the double helix unwinds, it creates a loop known as the replication bubble, with each newly separated single ...

the helix structure is unwound special molecules break the weak hydrogen bonds between bases, which are holding the two strands together this process occurs at several locations on a DNA molecule ...

But James Watson and Francis Crick's claim was a valid one, for they had in fact discovered the structure of DNA, the chemical that encodes instructions for building and replicating almost all ...