IPTG is a molecular biology reagent utilized in cloning experiments. This compound is used as a molecular mimic of allolactose, a lactose metabolite that triggers transcription of the lac operon.ne advantage of IPTG for in vivo studies is that since it cannot be metabolized by E. coli its concentration remains constant and the rate of expression of lac p/o-controlled genes, IPTG is not a variable in the experiment.
The Ideal Height. The ideal bar stool should be approximately 28 to 30 inches high to match the 42 to 48 inches standard bar height.
If you don't go the adjustable height bar stool route, your bar stools need to match your bar's height so guests can comfortably grab drinks and rest their arms on the bar. For a standard bar, you can safely choose bar height stools. However, if your bar area is a kitchen counter or at that height, bar height stools are too tall, and you should go with counter stools instead. Shorter stools are uncommon for home bars, unless of course you're setting up a kids' section off to the side.