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.
2013 Most Affordable Places To Live In America, According To CNNMoney (PHOTOS) Although everyone would prefer to pay a little less for their homes and get the most bang for their buck, the general consensus is that cheaper places to live tend to be further away from jobs, culture and community.