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.
Here Are The 14 Most Affordable Housing Markets In America. If you don't want to spend most of your paycheck on housing, move to the Midwest. But definitely don't move to California. That's according to Coldwell Banker's annual Home Listing report, which ranks the cheapest and most expensive areas to live across the US. The report compares the cost of a four-bedroom, two-bathroom home across America. It surveyed over 1900 markets and 52,000 listings, and found that the US average for such a home was $301,414. We took a quick snapshot of each of the 14 most affordable housing markets in the country.