一.某个转基因载体结构,卡那霉素选择标记基因旁边紧密连锁着目的基因(抗冻基因)。 用该结构转化烟草叶片,筛选抗卡那霉素的叶片细胞再生植株,即为T0代转基因植株。T 代转基因植株开花结果,即得T1代种子

Exercise for home study O&W4.47 tea this problem examines the Fourier transform of a continuous-time LTI system with a real, causal impulse response, h(t) (a) To prove that H(w) is completely specified by eh(u) for a real and causal h(t) lore the even part of a function, he(t)

血药浓度变化规律c(t)=De\V控制范围c1≤c(t)≤c 已知k,cn2,设计药量D和间隔T

Responsible for reliable transmission of packets over a link – Framing: Determine t he star t and end of packets (sec 2.5) – Error Detection: Determine w hen a packet contains errors (sec 2.3) – Error recovery: Retransmissio n of packets containing errors (sec 2..4)

一、选择与填空（50 分） 1. 某常压湿空气由 t1 被加热到 t2，则空气的性质参数变化为： H1（）H2、φ1（）φ2、I1（）I2、td1（）td2、tw1（）tw2、tas1（）tas2、cH1（）cH2、vH1（）vH2