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- A single strand lives for up to seven years. 一根头发的寿命可长达7年。
- She wore a single strand of pearls around her neck. 她脖子上戴着单串珍珠。
- Strand displacement of this intermediate by a DNA helicase channels the reaction towards synthesis-dependent strand annealing (SDSA). DNA链通过DNA解旋酶通路反应置换这个中间体，对合成依赖链退火（SDSA）。
- A single strand of matching thread is recommended for hand stitching. 手缝线迹推荐使用一根单股相配的线。
- Forensic scientists can determine a persons sex ,and race by examining a single strand of hair. 法医科学家能通过检验一缕头发判断一个人的性别、年龄和种族。
- To wind together(two or more threads, for example) so as to produce a single strand. 扭成一束捻合（例如两根或更多的线）成为一股
- Forensic scientists can determine a persons sex, and race by examining a single strand of hair. 法医科学家能通过检验一缕头发判断一个人的性别、龄和种族。
- To wind together (two or more threads, for example) so as to produce a single strand. 扭成一束:捻合(例如两根或更多的线)成为一股。
- The solidifying streams are gathered into a single strand and wound onto a spool. 这些液流凝固后被集为一股,绕上一个线轴。
- Step 2: The intervening single strand DNA of 28 nts is then removed after DNA helicase unwinds the DNA. 步骤1：核苷酸切除修复复合体识别损伤，然后在3’端距离损伤位点5个核苷酸处形成一个切口；在5’端距离损伤位点23个核苷酸处形成另一个切口；
- A single strand of untwisted synthetic fiber, such as nylon, used especially for fishing line. 单丝一根未捻的合成纤维，如尼龙，尤指用于钓鱼线
- The flesh of the banana was plump and pure. No imperfections - not even a single strand of that chalky inner peel was left on the inside of the fruit. 香蕉肉饱满又干净,没有一点不完美,甚至皮里面的白色果膜也没有留在香蕉肉上。
- The ability of trichloroethylene(TCE) to induce single strand breaks in peripheral lymphocytes DNA of male mice in vivo was evaluated using single cell gel electrophoresis(SCGE). 为研究三氯乙烯（TCE）的遗传毒性，应用单细胞凝胶电泳法（SCGE）测定了TCE诱导人和小鼠外周血有核细胞DNA链断裂的能力。
- A study on DNA fingerprints of Erhualian and Large Yorkshire pigs was carried out using bacteriophage M13mp18 single strand DNA probe. 用噬菌体M13mp18单链DNA作探针，对二花脸和大约克夏猪进行了DNA指纹的研究。
- Abnormal single strand bands were found in the amplified fra gments as well of exon 1of EDAgene in t he patients as well as their mothers,the carriers. EDA致病基因(EDA1基因)外显子1的PCR产物经SSCP分析显示,患者及其携带者母亲出现异常单链条带。
- The system consists of two parallel DNA double helices that each reduce to a single strand in a central crossover region. 这套系统由两个平行的DNA双股螺旋组成，但这两个双股在中间互换位置处只剩一股而已。
- Directionality , in molecular biology, refers to the end-to-end chemical orientation of a single strand of nucleic acid. 方向性 ，又称 定向性 ，在分子生物学中，是指一个核酸股的端对端化学方位。
- Single strand conformation polymorphism (SSCP) essay and sequence analysis of the PCR product were used to ascertain the gene mutation. 方法应用PCR及单链构象多态性(SSCP)分析技术结合基因序列测定方法确定突变类型。
- In carrying out its various duties, RNA can take the form of a double helix that resembles DNA or of a folded single strand, much like a protein. RNA在执行其各项任务时，可以形成和DNA一样的双股螺旋结构，也可以和蛋白质一样以单股折叠成不同的构造。
- The single-stranded portion of this DNA serves as the "linker DNA," which seeks out a complementary single strand of DNA attached to another gold nanoparticle. 该DNA的单股部分作为“连接DNA”而会向外搜索与其互补的附着在另一黄金纳米粒子上的单股DNA。
