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.
8 Surprisingly Affordable Places to Live in California. California, the Golden State, has 8 of the top 50 most populated cities in the U.S. Naturally, the cost of living here is very high. Traditionally, California has been one of the most expensive places in the United States. This is no different now. With the decline in the economy last year, and constantly rising cost of living, finding a good, affordable place to live in California has become even more difficult.