1、Histones are highly alkaline proteins found in eukaryotic cell nuclei that package and arrange DNA.
组蛋白是在真核细胞核内发现的高碱性蛋白质，作用是包装和排列DNA。
2、The modification of histones can affect the accessibility of DNA and regulate gene expression.
组蛋白的修饰可以影响DNA的可接近性并调节基因表达。