Maturation promoting factor (MPF)
参考答案:
成熟促进因子:首先在青蛙卵中发现的细胞周期蛋白CDK复合物。它刺激细胞周期的有丝分裂和减数分裂阶段。
--- Have you finished reading the book?
--- ____. I’ll finish it next week.
A.lready
B.What a pity
C.Not yet
D.Maybe
《鲁相平奉诏选补孔和为孔庙百石卒史状》一文在反映汉代诏书形成途径和用语格式上有何特色?