During DNA replication, the unwinding of strands leaves a single strand vulnerable. How does the cell protect these strands from damage? How would you identify the protein that serves as a ...

Watson and Crick's discovery of DNA structure in 1953 revealed a possible mechanism for DNA replication. So why didn't Meselson and Stahl finally explain this mechanism until 1958 ...

Additionally, the scientists unexpectedly captured for the first time a detailed picture of how the "engine" driving the cellular replication machinery moves along DNA in human cells. Their ...