Intein is an intervening polypeptide which can catalytic self-cleavage from a pre-protein accompanied by the concomitant joining of the two flanking polypeptides (the extein) through a peptide bond.
The concomitant earthquakes and lava flows would already obviously cause tremendous damage, but they are nothing compared to the twin threats of ash, and volcanic gases.
Affording the demand for the output of industry are the vast populations of the globe; hence mass production and marketing are inevitable concomitants of the machine routine.
Even as it rejects vegetables without the natural concomitant of meat; as it rejects oatmeal-porridge and griddle-cakes for a mid-day meal; as it rejects lemonade and ginger-ale offered as substitutes for honest beer.
All Goods are disguised by the vulgarity of their concomitants, in this work-a-day world; but woe to him who can only recognize them when he thinks them in their pure and abstract form!