Tuning Raid performance has the air of a black art to storage administrators, with the perception that it can do more harm than good. Most consider the job done once the Raid level is selected. But, it is possible to fine-tune some Raid parameters to anticipate application storage demands and improve performance.
constitutive enzyme an enzyme that is made all the time at a constant rate, unaffected by inducers. enzyme
Remember, lactase is an enzyme, and we describe enzymes as catalysts: a substance that helps chemical reactions happen without being used up. Each bit of enzyme can break down multiple molecules of milk sugar, so as long as you stir the glass and wait long enough, even a tiny bit of the enzyme is enough to break down all the lactose in the milk!