Blackburn and Szostak determined that it was a specific DNA sequence in the telomeres that kept chromosomes from fraying whenever they were copied when a cell splits in two.
布莱克本和卓斯塔克测定，端粒中一段特殊的DNA序列在细胞分裂染色体自我复制时保护了染色体免受损耗。
Instead of analysing the genome of a specific organism, scientists sequence all the DNA they find in environmental samples, ranging from seawater to soil.
有别于分析特定生物的基因组，科学家对取自海水、土壤等自然界的生物样本，统统进行DNA测序。
People who carry this specific DNA sequence are heavier on average, and their waist circumference is half an inch bigger.
携带这一特殊DNA序列的人平均体重较重，他们的腰围要多宽半英寸。
Each codon is a specific sequence of three nucleotides (three nucleotide pairs in double-stranded DNA), and each codon codes for a single amino acid unit in a protein.
每个密码子是特异的三核苷酸序列（双链DNA状况下为三个三核苷酸对），每个密码子编码蛋白质的一个氨基酸单位。
The completion of whole-genome sequencing projects offers the opportunity of creating high-resolution maps of specific segments in a known genomic DNA sequence.
全基因组测序计划的完成提供了在一个已知基因组dna序列中创建特定片段的高分辨率图谱的机会。
"Upon activation, these thousands of different transcription factors bind to their own specific target DNA sequence," said Ricci.
Ricci指出：“激活后，这几千种不同的转录因子即与其DNA序列特定靶标相结合。”
DNA is made of polynucleotides, and it is the specific sequence of bases along a polynucleotide chain that determines the biological proteins of the polymer.
DNA是由核苷酸，它是多核苷酸链，沿着决定了聚合物的生物蛋白基地的特定序列。
Objective To establish DNA typing for HLA-DR antigens by polymerase chain reaction with sequence-specific primers (PCR-SSP).
目的采用顺序特异引物聚合酶链反应（PCR -SSP）建立人类白细胞抗原DR位点的DNA分型方法。
PCR technique was used to detect the IS6110 specific insertion sequence DNA of Mycobacterium tuberculosis complex in the 120 paraffin-embedded tissues.
提取120例拟诊为结核病的石蜡包埋组织样本dna，经酚-氯仿-异戊醇纯化后用PCR技术扩增结核分枝杆菌特异序列is6110片段。
The results showed that human chromosomal DNA has homologous sequence complimentary to the C fragment, and F fragment is HSV specific fragment.
结果提示：人染色体DNA中含有与C片段互补的同源序列；F片段为HSV特异的型共同性片段。
Control DNA samples that genotypes known were used to confirm the sensitivity and specificity of each sequence-specific primer.
引物的特异性和灵敏度采用基因型已知的质控DNA进行验证。
This review summarizes recent advances in this field, and the relationship between sequence-specific DNA-binding transcription factors and their roles in recruitment of chromatin remodeling enzymes.
本文综述了在这一领域的最新进展，以及序列特异性DNA结合转录因子和染色质重塑酶在招聘自己的角色之间的关系。
Objective To establish a method of high resolution DNA typing for HLA B40 cross reactive groups (CREG) in Chinese with polymerase chain reaction with sequence specific primers (PCR SSP).
目的采用顺序特异引物聚合酶链反应技术(PCRSSP)，建立汉族人群HLAB40交叉反应组高分辨度dna分型方法。
HLA-DR2, DR7, DR9 genotyping by polymerase chain reaction with sequence-specific primers (PCR-SSP)was carried out for 35 individuals and 4 cell lines DNA.
采用顺序特异性引物聚合酶链式反应（PCR-SSP）DNA分型技术，首次对35例肾移植供受者和4份标准DNA进行HLA-DR2、DR7、DR9基因配型。
The tumor suppressor p53 regulates cell cycle arrest, apoptosis and DNA repair processes by controlling various target genes that contain p53 sequence-specific DNA binding sites.
抑癌蛋白p53通过调节下游靶基因的转录，参与细胞凋亡、细胞周期抑制、DNA损伤修复等多种生物学过程。
The tumor suppressor p53 regulates cell cycle arrest, apoptosis and DNA repair processes by controlling various target genes that contain p53 sequence-specific DNA binding sites.
抑癌蛋白p53通过调节下游靶基因的转录，参与细胞凋亡、细胞周期抑制、DNA损伤修复等多种生物学过程。
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