HEK 293 cells may vary. The following proteins of interest (among many others) are commonly found in untreated HEK 293 cells: HEK 293 cells Human embryonic kidney 293 cells, also often referred to as HEK 293, HEK-293, 293 cells, or less precisely as HEK cells, are a specific cell line originally derived from human embryonic kidney cells grown in tissue culture. HEK 293 cells have been widely used in cell biology research for many years, because of their reliable growth and propensity for transfection. They are also used by the biotechnology industry to produce therapeutic proteins and viruses for gene therapy. HEK 293
Calvo (staggered) contracts output) but also expected future inflation. There are different ways of measuring nominal rigidity in an economy. There will be many firms (or price-setters), some tend to change price frequently, others less so. Even a firm which changes its "normal" price infrequently might make a special offer or sale for a short period before returning to its normal price. Two possible ways of measuring nominal rigidity that have been suggested are: (i) The average age of contracts. One can take all of the firms and ask how long the prices have been set at their current level. With Calvo price