In chemistry, a 'monomer' is a single unit and a 'dimer' a pair. Haemoglobin in your blood, for example is a 'tetramer' of four separate units (although techni

In chemistry, a 'monomer' is a single unit and a 'dimer' a pair. Haemoglobin in your blood, for example is a 'tetramer' of four separate units (although technically more like ABAB so a dimer of dimers).