细菌有一种对病毒的防御机制：一种叫做限制性内切酶的化学物质可以切断外源dna。
Bacteria have defences against viruses in the form of chemicals called restriction enzymes, which chop up foreign DNA.
治疗过程中除了观察临床症状及体征外，并观察心电图及心肌酶谱、心功能。
In the process of treating, not only the clinical symptom and sign, but also electrocardiogram, myocardium and cardiac function were observed.
体外实验中对相应受体进行刺激后导致对细胞外信号调节酶（ERK）的激活有促进作用。
Stimulation of this receptor in vitro results in up-regulation of activated extracellular signal–regulated kinase (ERK).
应用推荐