So, for those of you thinking of joining me in Laserland, read on for helpful tips for embarking on your own laser journey. â¢ Laser hair removal works best on light skin and dark hair. I swear by the Candela laser, but there are many other brands, including newer ones for dark skin and dark hair, like the Yag laser.
Heparin anti-Xa tests are sometimes used to monitor and adjust standard heparin (unfractionated heparin, UFH) therapy, though the primary monitoring tool for UFH is currently the PTT test.
The trp Operon - a repressible system. The trp operon of E. coli controls the biosynthesis of tryptophan in the cell from the initial precursor chorismic acid. This operon contains genes for the production of five proteins which are used to produce three enzymes. The products of the E and D genes form a multimeric protein comprised of two copies of each protein to produce the enzyme anthranilate synthetase.