Â· just now. Report Abuse. The structure of DNA is a double helix, much like a ladder that is twisted into a spiral shape. The nucleotide bases (A, T, C, G) that make up your genetic code are found in pairs in the middle of the helix. These base pairs make up the ârungsâ or steps of the ladder.he base pairs that make up the rungs of the ladder are attached to the sugars in the sugar-phosphate chains that form the uprights of the ladder. Source(s): Nucleic Acids DNA and RNA by Anthony Carpi, Ph.D. at Vision Learning http://www.visionlearning.com/library/mo...
Spirit of St. Louis. This Ryan M-2 âSpirit of St. Louisâ made history when it made the first solo, nonstop flight from New York to Paris in 1927, and this 1/4-scale model would certainly make pilot Charles Lindbergh proud. With a 141.7-inch wingspan, the 66-pound model is powered by a radial 4-stroke thatâs an authentic reproduction of the original Pratt & Whitney R9.
Just off I-64 the hotel gives you easy access to Chesterfield St. Louis and other destinations in Eastern Missouri. Folks come from near and far to visit the Missouri Botanical Garden's Butterfly House less than two miles from the hotel. Six Flags St. Louis is 16 miles southwest. Lambert-St. Louis International Airport is 18 miles northeast. The delicious morning and evening meals are a big draw at the beautiful Drury Plaza Hotel Chesterfield which has lots of space in the lobby peaceful rooms and a nice pool and hot tub.