音标:[m'ju:tənts] ;
n. <生>突变体(因遗传基因结构改变以致与同类生物有异的生物)( mutant的复数形式 )
n. (biology) an organism that has characteristics resulting from chromosomal alteration
n. an animal that has undergone mutation

mutants的用法和样例:

例句

  1. No toxin-production mutants were screened with chemical mutagen methods.本论文通过化学诱变剂方法筛选不产生毒素的突变体,比较毒素突变体与野生菌的有关生物学性状及其对水稻的侵染,并对毒素引起植物的坏死作用进行了研究。
  2. Molecular research progresses and citrus color mutants are briefly introduced.简要回顾了柑橘类胡萝卜素合成分子生物学研究进展以及柑橘类胡萝卜索积累发生改变的突变体。

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(258) / 评论(0) 分类 Scientific American(五)月

She dreams at night. She dreams while she sleeps. She dreams about many things. She dreams about her parents. She dreams about school. She dreams about her friends. She dreams about her dog and cat. She dreams about the future. She dreams about the p

发表于:2018-12-31 / 阅读(260) / 评论(0) 分类 儿童英语小故事

Theres been an unexpected development in our understanding of drug resistance in bacteria. The accepted scenario was a simple case of evolutionary selection. In a bacterial population exposed to a killer drug, a few lucky individuals might have a gen

发表于:2019-01-08 / 阅读(363) / 评论(0) 分类 Scientific American(九)月

By Alan Silverman Hollywood 27 May 2006 One of the most popular film series based on Marvel Comics superheroes becomes a trilogy and raises some interesting real-world issues about diversity and fitting in. ------------------------------------------

发表于:2019-01-08 / 阅读(345) / 评论(0) 分类 2006年VOA标准英语(五月)
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a doring
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Alturas de Barroso
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anglo-egyptians
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excurse
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go off the top
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Metazolo
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put someone to a lot of expense
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Secretary of Justice
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