The sequence of bases on DNA codes for the sequence of amino acids in proteins. But there are 20 different amino acids and only 4 different bases, so the bases are read in groups of 3. This gives 64 combinations, more than enough to code for 20 amino acids.
10 cheapest places to live in the U.S. Ashland, Ohio, ranks as the 10th most affordable city in the U.S., according to the Council for Community and Economic Research. Ashland has a cost of living index of 87.6.
Most Beautiful & Affordable Areas in America. When looking for a place to live, many people must pick a location that is close to their jobs or relatives. However, if you are in a position to freely choose your new home, many places in America offer beautiful scenery, affordable real estate, and low cost of living.