null mutant是什么意思_null mutant中文

null mutant中文什么意思

《英汉医学词典》null mutant
无效突变体

mutant: adj. 【生物学】变异的；变异所引起的；与突变[变种]有关的,经过突变[变种]的。 n. 突变[变种]型生物；突变。
not null: 不能为空; 不为空
null: adj. 1.无效力的，无束缚力的。 2.无效的，无用的，无益的；无价值的。 3.没特征[个性]的，没表情的。 4.〔罕用语〕不存在的，没有的；零(位)的；空的。 n. 【数学】零，零位；空；【无线电】零讯号，微弱讯号。 a null indicator 零示器；零位指示器。 the null method 衡消法。 null and void 【律】无效；失效(This check is null and void. 本支票无效)。 vt. 使无效。
half mutant half-mutant: 半突变型
albino mutant: 白色突变体

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例句与用法

the targeted disruption of mouse rbp-j revealed that homozygous null mutants die before 10.5 days postcoitum ( dpc ) with various abnormalities, including growth retardation and defects in the central nervous system and somites
5天死亡，同时伴随一系列异常，包括神经发育过度及体节发育的缺陷，说明rbp-j在哺乳动物胚胎发育中发挥着重要作用。
here we found g proteins also function in leaf, silique development and the yield of pollen microspore . we observed several traits or characters in the offsprings of gpal, agbl null mutation and gpa1 overexpression lines and found that the width of mutants " lamina is larger than that of the wild type, whereas the lamina length, petiole length and rosette diameter is smaller than the wild type, the ga overexpression lines is different from the mutants; the silique length and the pedicel length is larger in mutants than that of wild type, and slightly smaller in overexpression lines than the control; the morphometric character in silique tip is different in gpal from agbl mutants; the yield of pollen microspore is larger in null mutants than wild type whereas smaller in overexpression lines
实验中我们跟踪观察了多代异三聚体g蛋白a亚基超表达转基因植株及a，p亚基缺失突变体的表型特征，发现突变体的叶片宽度大于对应的野生型，叶片长度，叶柄长度及莲座直径小于野生型，而超表达植株的上述某些特征与突变体相反;gp时突变体的长角果长度，花梗柄部长度大于野生型，而超表达ga植株种英则略小于对照;gpal突变体长角果尖端未出现咭乙i突变体的特征:gpal，口gbl突变体花粉生成量大于野生型，而超表达ga植株的花粉生成量则略小于对照。
the targeted disruption of mouse rbp-j revealed that homozygous null mutants die before 10.5 days postcoitum ( dpc ) with various abnormalities, including growth retardation and defects in the central nervous system and somites . in order to assess the function of rbp-j, a yeast two-hybrid screening using rbp-j as a bait protein was performed and a nuclear matrix protein, mint was isolated
sdpc胚胎和人的hela细胞cdna文库中筛选到一个可以与rbp斗相互作用的新蛋白ram7，后发laram7与mmt（msxzinter肌tingnucleartargetprotein）为同一蛋白。

null mutant中文什么意思

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