题目内容

In the following statement of the histone modification, which is NOT correct:()

A. The methylation of histone is usually the signal of silence gene, while the highly methylated gene is usually inactivated.
B. The modification of histone terminal is the switch of gene activation and inactivation.
C. The acetylation of histone can only activate the gene expression, while the deacetylation of histone can only inhibit the gene expression
D. The phosphorylation of histone can usually activate a gene, thus promote the gene expression

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