The primary aim of Googles car project is to______.
A. put an end to driver error accidents
B. have a positive impact on road safety
C. require a lot of proof and understanding
D. improve the morning rush hour commute
DNA受热变形后
A. 加入互补RNA探针,经复性,可形成DNA-RNA杂交分子
B. 260 nm波长处的吸光度下降
C. 多核苷酸链裂解成单核苷酸
D. 碱基对间形成共价键
E. 肽键断裂形成单核苷酸
参与胆固醇的逆向转运
A. CM
B. VLDL
C. LDL
D. HDL
EC
The United States did not decide to enter World War II until after Japans surprise attack
A. 1940.
B. 1941.
C. 1942
D. 1943