DNA is fundamental to the biology of all life on Earth, but how many of us actually know what it is or what it's made of?

Her findings suggest that the salvage pathway could be an access route for cancer cells to get their nucleotide supply when chemotherapeutic drugs inhibit the de novo pathway. But along the same lines ...

The synthesis occurs in a 3' to 5' direction, with each nucleotide added sequentially to a growing chain on a solid support. These steps are repeated for each nucleotide addition until the desired ...