Rate Card in Depth. A rate card is essentially the menu of ad options available on a site. This document contains the cost, either on a flat fee or CPM basis, for the various ad units that advertisers may buy on a site. This document is only relevant for publishers who are selling part of their ad inventory directly to advertisers.
Acidophilus and bifidus have a number of health benefits, including improving gastrointestinal health. Acidophilus and bifidus are strains of probiotics, live bacteria that are similar or the same as the helpful bacteria in your body.
How do acidophiles regulate their pH? Normally, high acid levels destroy cells. However, acidophiles have evolved a variety of specialized mechanisms to maintain their internal cellular pH at a constant level (usually 7.2). These mechanisms include passive regulation (not requiring the cell to expend energy) and active regulation (requiring energy).