它们可以附在胞核嘧啶上,胞核嘧啶是组成基因代码的“字母”的四种碱基数之一,帮助调控转录的过程。
These can attach themselves to cytosine , one of the four chemical bases that form the "letters" of the genetic code.
核苷酸替换偏好性受其相邻碱基组成的影响现象已经在核基因组假基因序列和叶绿体基因组的非编码序列和编码序列中发现。
Influence of neighboring base composition on nucleotide substitution bias was observed in the sequence of nuclear pseudogenes and chloroplast non-coding and coding sequences.
核小体核心由140个碱基对的DNA围绕一个组蛋白小球组成,每一个组蛋白小球包含两个H_2A、H_2B、H3和H4的四聚体分子。
The core consists of 140 base pair of DNA wrapped around a globular histone bead containing two each of histones H2A, H2B, H3 and H4.
在DNA甲基化的胞嘧啶碱基在许多真核生物的表观遗传调控提供了一层正常的生物学和疾病有着重要的意义。
Methylation of cytosine bases in DNA provides a layer of epigenetic control in many eukaryotes that has important implications for normal biology and disease.
在DNA甲基化的胞嘧啶碱基在许多真核生物的表观遗传调控提供了一层正常的生物学和疾病有着重要的意义。
Methylation of cytosine bases in DNA provides a layer of epigenetic control in many eukaryotes that has important implications for normal biology and disease.
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