DNA is made up of a phosphate group, a deoxyribose (sugar), and a nitrogen base. The nitrogen base can be broken down into 4 types(nucleotides): adenine, guanine, thymine, or â¦ cytosine; and categorized into purines: adenine and guanine; and pyrimidines: cytosine or thymine.
The 2017 BMW X5 costs $55,500 in its base sDrive35i trim level, which features a 300-horsepower six-cylinder engine, an eight-speed automatic transmission, rear-wheel drive, a 10.2-inch infotainment screen, navigation, parking sensors, heated front seats, and Bluetooth. All-wheel drive is available for an extra $2,300.
Best used BMWs for Â£10,000 1. BMW 3 Series (2005-2015) The fourth-generation 3 Series has the best of all the attributes that have made the model such a huge success. Stick to SE trim and itâs comfortable, fun to drive, classy inside and spacious, while the huge choice of engines means you can pick your blend of performance and fuel economy.