DNA can be cut up and separated, which can form a 'bar code' that is different from one person to the next. The basic units (monomers) of DNA are nucleotides. These nucleotides consist of a ...

In the context of this definition, REACH specifies: A ‘monomer unit' means the reacted form of a monomer in a polymer The weight percentage of molecules containing three monomer units or above should ...

This illustration shows the C1 polymer formation, where the Pd-catalyst (red spere) is linearly combining a number of diazoacetate monomers (transparent sphere) to form the polymer main chain.