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(Study of the Mechanism of Carcinogenesis by Carcinogens Which Are Negative in the Ames Test). Comprehensive Report of Overall Activities for the past Three Years

机译:(ames试验中阴性致癌物致癌机制的研究)。过去三年全面活动综合报告

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Progress is reported on the following: DNA methylation and sensitivity of Escherichia coli to uv radiation; hormonal control of tRNA methyltransferases and tRNA structure; development of tRNA-dependent, in vitro protein synthesizing system from Ehrlich ascites cells; and effects of the carcinogens ethionine and carbon tetrachlorides on balance of estrogens and progestins in immature chicks. (ERA citation 04:001491)

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