which does not belong to the post-translational regulation of gene expression（）
A. protein ‘s acetylation
B. protein ‘s phosphorylation
C. protein ‘s methylation
DNA methylation
Which factor could not regulate the cell cyle（）
A. Growth factors
B. cAMP and cGMP
C. Oncogen
D. Cholesterol
What’s the main funtion of MPF（mature promoting factors）（）
A. Induce the condesion of chromatin
B. Induce the phosphorylation of nuclear lamin
C. Induce the phosphorylation of nucleolus and its dissolution
D. All of the above
About the homologous chromosomes, which is not correct（）
A. One comes from mother, the other comes from father
B. They are the same length and show the same morphology
C. They are two chromosomes coming from chromosome duplication in S pahse
D. They can form synapsis complex
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