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美国政府科技报告
>GENETIC AND BIOCHEMICAL STUDIES ON THE CELL-FREE PROMOTION OF TRYPTOPHAN SYNTHETASE IN ESCHERICHIA COLL INCLUSIVE DATES April 20, 1963 to October 19, 1963
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GENETIC AND BIOCHEMICAL STUDIES ON THE CELL-FREE PROMOTION OF TRYPTOPHAN SYNTHETASE IN ESCHERICHIA COLL INCLUSIVE DATES April 20, 1963 to October 19, 1963
In the "DHA-P30 system". DNA prepared from wild-type cells that bad been grown under repression shows little or no activity in enzyme formation as reported last year Recent experiments revealed that the treatment of such DNA preparation with BNAase activated DNA as judged by its activity in this system.
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