【单选题】与mRNA上的5'-GCU-3'密码子对应的tRNA反密码子是( )。(湖南农大2012研)
【单选题】Passage 3 Computers can now compete with humans incomplex games such as chess and beat them. This was believed impossible until the end of the last century. Since then, computer memories have become e...
【单选题】下列TCP/IP应用层协议中,可以使用传输层无连接服务的是
【简答题】Ever since computers were used to solve application problems, it was the task of software to bridge the gap between the concepts in an application and computer concepts
【判断题】比较大豆株高与单株粒数两个性状的标准差,可以获知哪个性状的变异更大。
【判断题】比较大豆株高与单株粒数两个性状的标准差,可以获知哪个性状的变异更大。