The viral DNA is injected through the tail into the host cell, where it directs the production of progeny phages.
该病毒DNA通过尾巴注入宿主细胞，在这里指导后代噬菌体的产生。
2
It refers to the release of the viral genome from its protective capsid to enable the nucleic acid to be transported within the cell and transcribed to form new progeny virions.
它指的是将病毒基因组从它的保护性衣壳中释放出来，使核酸能在细胞内转运并能转录以形成新的子代病毒。
3
Rapid advances in stem cell biology have raised exciting possibilities of replacing damaged or lost tissues and cells by activation of in vitro-expanded stem cells or their progeny.