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由于遗传密码的通用性,用原核生物表达真核基因不存在技术障碍。表达出的蛋白质通常是有功能的。
A. 正确
B. 错误
What kind of information does a router running a link-state routing protocol need to create and maintain its topological database?()
A. LSAs from other routers
Beacons received on point-to-point links
C. hello packets
D. Routing tables received from neighbors
E. SAP packets sent by other routers
F. TTL packets from exclusive router
女孩,9岁,外伤致肱骨中下1/3骨折,来院检查时发现有垂腕,垂直畸形。该患儿合并哪条神经损伤()
A. 尺神经损伤
B. 臂丛神经损伤
C. 正中神经损伤
D. 桡神经损伤
E. 正中、尺神经同时损伤