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.
Bars and bar stools are designed for comfort and easy access for both bar patrons and bartenders. With a bar stool of the proper height it is comfortable to sit at a 42-inch bâ¦ar. It is also a comfortable height for most people to lean against. Additionally the bar top is in easy reach of a standing person so they can set their food and drink down without leaning over.