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Medical - Genetics | | Chinese term or phrase: 藉缺乏組胺酸之選擇培養基檢定, 以測知化合物之致 變性或致癌性 | 其方法是利用一系列具有組胺酸需求性之沙門菌(Salmonella typhimurium)
突變菌系，受致變物質刺激時，由需要組胺酸之營養缺失型回復突變為能自行組
合組胺酸之野生型的特性，藉缺乏組胺酸之選擇培養基檢定，以測知化合物之致
變性或致癌性.
Here the 化合物 is which compound, meaning the medium? what is causing what denaturation or carcinogen? |
|  EngChiKudoZ activityQuestions: 90 (none open) ( 1 without valid answers) ( 8 closed without grading) Answers: 18
| | Local time: 06:17
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| | English translation:It is just "the compound" or any compound in question under test | Explanation:
The "化合物" here is just "the compound" or any compound in question under test. Whether this compound can induce mutation or cancer can be tested by culturing stimulated mutated stains of Salmonella typhimurium in a selective medium which does not contain histidine.
First,stimulate a series of mutated stains of Salmonella typhimurium which rely on histidine for existence with this potentially mutation- or cancer-inducing substance, i.e,"the compound". Because some nutrient-deficient species can mutate back into wild species that can compose histidine themselves, a selective medium will be able to test the compound out. (If,after some time, there is any Salmonella typhimurium existing in this originally histidine-free environment, then the compound is mutation-inducing.)
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| Selected response from:
 mrbeijing
China
Local time: 18:17
| Grading comment | 3 KudoZ points were awarded for this answer |
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| Discussion entries: 0 |
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The translation workplace 
