【判断题】同一锉刀上主挫纹斜角与辅挫纹斜角相等。( )
【判断题】同一把锉刀上主锉纹斜角与辅锉纹斜角相等。
【单选题】与mRNA中密码子5’-ACG-3’相应的反密码子(5’→3’)是
【单选题】Even a mighty express train can be held up by signals. Which of the following words can be used to replace “ held up ”? [ ]
【单选题】The tracks on a disk which can be accessed without repositioning the R/W heads is
【单选题】与mRNA中密码子5′ACG3′相对应的tRNA的反密码子是
【单选题】与mRNA中密码子5'-ACG-3'相应的反密码子(5'→3')是
【单选题】与mRNA中密码子5’-ACG-3’相应的反密码子(5’-3’)是
【单选题】与mRNA中密码子: 5’ CGU 3’ 相对应的tRNA的反密码子是:(按5’→3’方向)
【判断题】( )同一把锉刀上主锉纹斜角与辅锉纹斜角相等。A. 对 B. 错