Thousands of times each second along the seven feet of DNA in every cell in our bodies, enzymes are busy moving along the molecule, ferrying the proper chemical bases into the appropriate positions to make copies of the genetic blueprint. This high-speed copying makes all life possible. The enzymes in charge do an incredible job, getting the sequence in humans correct more than 99.999 percent of the time.
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University Of Rochester. "For DNA, It's All About Fitting In." ScienceDaily. ScienceDaily, 21 June 1999. <www.sciencedaily.com/releases/1999/06/990621043435.htm>.
University Of Rochester. (1999, June 21). For DNA, It's All About Fitting In. ScienceDaily. Retrieved March 11, 2014 from www.sciencedaily.com/releases/1999/06/990621043435.htm
University Of Rochester. "For DNA, It's All About Fitting In." ScienceDaily. www.sciencedaily.com/releases/1999/06/990621043435.htm (accessed March 11, 2014).