温和噬菌体只有溶源性周期（lysogenic cycle）。

温和噬菌体只有溶源性周期（lysogenic cycle）。 A: 正确 B: 错误

The<br/>transfer of genetic material between bacteria in direct physical<br/>contact is called() A: conjugation B: transformation C: transduction D: lysogenic<br/>conversion E: mutation

The life cycle of virulent phages that always kill their host cell and never become inactive prophages would be the _____ cycle. A: lethal B: lytic C: temperate D: strict E: lysogenic

与噬菌体有关的基因转移和重组的方式有() A: transformation B: transduction C: conjugation D: protoplast<br/>fusion E: lysogenic<br/>conversion