The enzymes that replicate DNA when a cell divides are not 100% efficient, and a small amount of DNA gets lost from the end of each strand during replication.
复制DNA的酶在细胞分裂时不是100%有效，少量dna在复制过程中从每一串的端部丢失。
DNA mismatch repair system could recognize and repair mistakes in process of DNA replication, guard stability and integrality of genome.
DNA错配修复系统可以识别并纠正DNA复制过程中出现的错误，保证基因组的稳定性和完整性。
This research will facilitate to find new DNA-binding protein, and it is important to reveal the molecular mechanisms of DNA replication and transcription and DNA repair and recombination.
该研究对于寻找新的DNA结合蛋白，研究生物体中遗传信息的复制、转录、修复和重组的分子生物学机制具有重要意义。
The packaging of eukaryotic DNA into chromatin influences various processes that utilize DNA as a template, including transcription, replication and repair.
真核生物dna紧密包装成染色质结构，影响了包括转录、复制和修复等在内的以dna为模板的每一个生物过程。
Objective To acknowledge the existence and replication of TTV DNA in peripheral blood mononuclear cells(PBMC) of patients with serum TTV DNA positive.
目的了解TTV阳性肝炎患者外周血单个核细胞（PBMC）TTVDNA存在及复制情况。
However, modified AZT molecules lack a specific chemical group (a hydroxyl group) that would allow DNA replication to continue. This results in premature termination of DNA synthesis.
叠氮胸苷(azt)缺少可以使DNA继续复制的特殊化学基团(羟基)，这就导致了DNA合成的过早终止。
Thus, oxidative DNA damage adversely affects transcription and DNA replication in melanocytes.
这样氧化损伤的DNA负性影响黑色素细胞的转录和DNA复制。
In vitro DNA replication system derived from eukaryotes is capable of replicating exogenous plasmid DNA containing SV40 origin of replication efficiently and accurately.
报道了含sv40复制起点的质粒dna在真核细胞抽提物中进行复制的DNA体外复制系统的建立。
The origin recognition complex (ORC) is a highly conserved heterohexameric protein complex that associates with DNA at or near initiation of DNA replication sites.
起始识别复合物（ORC）是一种高度保守的异源六聚化蛋白复合体，它与DNA复制起始位点处或其附近的DNA相关。
A prokaryotic DNA polymerase with high processivity that performs most DNA replication.
一种原核生物的dna聚合酶，具有很强的持续合成能力，执行大多数DNA的复制任务。
A prokaryotic DNA polymerase with high processivity that performs most DNA replication.
一种原核生物的dna聚合酶，具有很强的持续合成能力，执行大多数DNA的复制任务。
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