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反向选择
将反向选择标记基因导入受体细胞,在一定的筛选条件下,带有反向选择标记基因的细胞株不能生长,而不带有反向选择标记基因的细胞株则能够生长,从而对目的基因的转化子进行无选择标记的筛选。
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Little Street
Little Swallow
Little Tadpole Looking for Mummy
Little-theater movement
Little Theatre Festival in Nanjing
Littlewood
Littlewood-Paley theory
Littlewood problem
Littlewood Richardson rule
Littlewood-Richardson rule
Little Yellow Dog’s Nest
Little Zhufeng Jin Opera Troupe
littoral facies
littoral sandy land
littoral sediment
littoral underground brine
littoral zone
Littrov
Littrow condition
Littrow grating
Littrow monchromator
Littrow monochromator
Littrow [reflection] grating
Littrow reflection grating
Littrow spectrograph
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