Since we are all about programming cells, we need code. The code we use isn't
RNA or
protein or
small molecules, instead it's the specific sequence of a
DNA molecule. We write code by putting pieces of
DNA together, each of which has a particular function. To use a different metaphor, the
parts"' we use to build systems are DNA
molecules. That's why DNA
molecules in the registry are referred to as parts
rather than DNA
. Finally note that the Registry doesn't have entries for mRNA
or small molecules
. We should, and we'll get to those as soon as we can. Go back to the start->