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反向选择
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反向选择
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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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seating space operating range
Seat of Pingjiang Prefecture
sea trial
sea trial of nuclear power plant
sea trial specification
seat sore
seat stabilizing device
SEATS分解
Seattle
Seattle Chinese Garden
Seattle Gas Works Park of America
Seattle Policewomen
Seattle Post-Intelligencer
sea turtle
sea urchin
SEA view
seawall at the south bank of Qiantang river
seawall in China
seawall in north Jiangsu province
seawater absorption attenuation measuring instrument
seawater ammonia nitrogen measuring instrument
sea water chemical resources
seawater chemistry
seawater circulating cooling technology
seawater cooling technology
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