Hyperammonemia-hyperornithinemia-homocitrullinuria (HHH): These infants present in the first few weeks of life with seizures, feeding difficulty, and altered level of consciousness. A defect in transport of ornithine from cytosol into mitochondria causes hyperornithinemia, and disruption of the urea cycle causes hyperammonemia.
Most netbooks sport small LCD screens, 8.9-inches to 10-inches, versus an average of 15.4-inches for normal laptops. Netbooks generally weigh around 2.2 lbs (1 kilogram) each, far lighter than most laptops, and carry batteries that last up to 8 hours. They cost between US$199 and $799. For anyone looking to buy now, here are some tips for your first netbook, compiled after reviewing about a dozen of them.
The Surface Book is noticeably sturdy. The tablet portion of the laptop weighs 1.6 pounds, and the whole unit weighs about 3.5 pounds. The 13.5-inch Surface Book will go on sale on October 26, with pre-orders starting Tuesday. A base model will cost $1,499. The new Microsoft Surface Pro 4 and Surface Book, side by side.