cis-acting element (顺式作用元件)
trans-acting factor (反式作用因子)
helix-loop-helix,HLH (螺旋-环-螺旋基元)
helix-turn-helix motif,HTH (α螺旋-转角-α螺旋基元)
扬云飞同学正在用WORD制作一份电子报刊“五月.doc”(编辑内容尚未保存),请问“五月.doc”文件当前被存放在() ["A、ROM","B、RAM","C、硬盘","D、软盘"]
leucine zipper motif (亮氨酸拉链基元)