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Motile Escherichia coli placed at one end of a capillary tube containing an energy source and oxygen migrate out into the tube in one or two bands, which are clearly visible to the naked eye and can(More)
The synthesis of DNA' by an enzyme from Escherichia coli requires the presence of the deoxynucleoside triphosphates of adenine, guanine, cytosine, and thymine, magnesium ions, and DNA.2 3' 4 The(More)
After a childhood in Germany and being a youth in Grand Forks, North Dakota, I went to Harvard University, then to graduate school in biochemistry at the University of Wisconsin. Then to Washington(More)