The active promoter fragment was cloned from actinophage? φ SL 60 and then sequenced by dideoxynucleotide sequencing system. 通过测定林可链霉菌噬菌体? SL60启动子活性片段的碱基,分析了该启动子的结构、核糖体结合位点、转录起始位点和翻译起始密码子等功能元件.
她总是避免与人深交.She's always shied away from close friendships.他与当时许多杰出的文人有深交.He was intimate with many of the greatest minds of his day.我总是避免与人深交.I've always shied away from close friendships....