Certain proteins help copy nucleic acids by fashioning complementary strands that carry matching nucleotides.Proteins携带配对的nucleotide参与了nucleicacids的 精确配对复制是明确的.Deoxyribose A pentose ( five - carbon ) sugar that is a comp...
Since his days as a militant student, he has cut his hair, put on a suit and is now the classic example of the poacher turned gamekeeper.自从成为军校学生之后，他剪了头发，穿上套装，成了浪子回头金不换的典型。I believe you've already met my gamekeeper,...
a grille over a window窗子上的铁格子Winston and Syme pushed their trays beneath the grille.温斯顿跟赛姆便把托盘推到铁栅下.In general, the deformation of the model grille is a combination of axial and shear strains.一般情况下, 模型栅格的变形是轴向应变和切向应变的组合....
韦布并非一直是一位外部鼓动者.Mr Webb has not always been an outside agitator.连续混合泥浆在低谷与摆动的型鼓动者.Continuous mixing of slurry in trough with an oscillating type agitator.旋转的鼓动者可灌溉的他.The rotary agitator irrigated him....