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?

Laying the Groundwork: Levene Investigates the Structure of DNA Meanwhile ... of the three major components of a single nucleotide (phosphate-sugar-base); the first to discover the carbohydrate ...

Adjacent ribose nucleotide bases are chemically attached to one ... RNA is then translated into proteins by structures called ribosomes. There are three types of RNA involved in the translation ...

When a cell divides, the process of DNA replication is very carefully controlled to preserve the genetic information encoded within the nucleotide base sequence. However, changes in the genome do ...