For the first time, scientists have witnessed the very moment DNA begins to unravel, revealing a necessary molecular event ...

During DNA replication, special enzymes move up along the DNA ladder, unzipping the molecule as it moves along. New nucleotides move in to each side of the unzipped ladder. The bases on these ...

Every day, billions of cells in your body divide, helping to replace old and injured cells with new ones. And each time this ...

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 ...

The replication fork is more than just a means for DNA duplication. It is connected to a checkpoint system that keeps the genome intact and prevents cancer. Aa Aa Aa Eukaryotic genomes are ...