女性,23岁。急性泌尿系感染,用链霉素治疗的同时,还可加用下列哪种药以增加疗效
A. 维生素B6
B. 碳酸氢钠
C. 碳酸钙
D. 维生素C
E. 氯化铵
供体菌通过性菌毛将遗传物质转移给受体菌称为
A. 转化
B. 转导
C. 溶血性转换
D. 接合
E. 原生质融合
To the finalists, APeter and I, the last Bhigh jump was Cthe most exciting Das well as the
Never before AI have seen anyone Bwho has the skill CJohn has when he Drepairs cars.