In this medium the final pH is G.8 to 7.0. The neutral medium yields cells with distinctly more active transamination systems than the medium 3Dr. Green has now been able to recover pyridoxal phosphate from the purified transaminase and to assay the coenzyme with dopa decarboxylase apoenzyme (per-sonal communication).
CONS / Without an extension, the included warranty only lasts one year. VERDICT / The Dell XPS 8900 is one of the best home computers because its powerful quad-core processor, dedicated graphics card and 8GB of memory work together to create solid overall performance.
The $999 model of the XPS 13 has a Core i5 processor, 4GB of RAM, and a 128GB solid-state hard drive. The drive is much faster than typical hard drives, booting the laptop in just 28 seconds and letting it resume from sleep in just four.