染色质由卷曲的DNA、组蛋白和非组蛋白组成。
Chromatin consists of coiled DNA bound to basic proteins called histones and non-histone proteins.
细胞的分化是一个动态的过程，带动激活和抑制特定的基因组，基因组转录活性和非活性染色质域的划分。
Cellular differentiation is a dynamic process driven by activation and repression of specific sets of genes, partitioning the genome into transcriptionally active and inactive chromatin domains.
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