解螺旋
- 网络helicase
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解螺旋酶(牛酶)一组可以催化象DNA这样双链核酸解螺旋的酶,由ATP提供能量。
Helicase Any of a group of enzymes that catalyze the unwinding of double-stranded nucleic acids such as DNA , using energy from ATP .
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促进DNA从紧密螺旋的状态到松弛-解螺旋的药物能增加小鼠的记忆力&但是也会产生不必要的副作用。
Drugs that promote this relaxation – unwinding DNA from its tightly coiled configuration – give enzymes access to genes that must be turned on to enable learning .
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解螺旋酶可以在复制时通过逐渐向前螺旋移动式以类似“尺蠖”运动的动作选择性的结合或者释放它们“紧握”的DNA。
Helicases alternatively bind to and release their grip on DNA during replication , progressively moving along the helix to separate the strands in a motion similar to an inchworm 's movement .
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通过收集线粒体DNA并将它们解螺旋成单螺旋片断,科学家在芯片上展示了每个片断与它们互补片断的配对排序。
By gathering mitochondrial DNA and breaking it into short , single-stranded bits , the scientists showed that each bit would pair , or hybridize , with its complementary sequence arrayed on the chip .
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棉铃虫核多角体病毒解螺旋酶(helicase)基因的序列分析和含有HaSNPV同源重复区亚克隆的构建
Sequence Analysis of Helicase Gene and Subcloning of Hrs of Helicoverpa Armigera Single-nucleocapsid Nucleopolyhedrovirus
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单纯疱疹病毒1型解螺旋酶-引物酶编码基因重组杆状病毒载体的构建与鉴定
Construction and identification of recombinant baculovirus vectors of genes encoding helicase-primase of HSV-1
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克伦肖解算出「螺旋状调转趋性」这种扭摆运动的运作法则,并协助耐顿研究所的团队设计机器人,基本上是要发展出一种全新的导向技术。
Crenshaw deciphered the algorithm of the twisting motion , known as helical klinotaxis , and assisted Nekton 's team in applying it to the robots , in essence crafting a new guidance technology .
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矢量法研究机构的位置正解具有直观、简单的效果,可以很容易的根据机构输入计算得到所有输出可能解;利用螺旋理论分析机构的雅可比矩阵,可通过雅可比矩阵建立机构的速度方程。
The vector approach for forward kinematics solution will be intuitive and simple , and all the possible solutions will be obtained according to the formulation and input parameter . The Jacobian matrix can be derived through the screw theory easily , and then the velocity formulation can be established .