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.
The 10 Most Relaxing Places To Retire In The U.S. The 10 Most Relaxing Places To Retire In The U.S. If you're looking to retire in an area with plenty of sun, sand and warm weather, Honolulu should be at the top of your list. With its many retirement communities, outdoor activities, warm climate and highly-rated nursing homes, the city has long been a haven for retirees.