DNA (deoxyribonucleic acid), the molecular "blueprint" carrying the genetic instructions that influence the growth, ...

During ssDNA translocation of PcrA and UvrD monomers, the hydrolysis of one molecule of ATP is coupled to movement by one base along the DNA. However, in many cases, larger translocation steps of ...

DNA 聚合酶在 DNA 复制过程中发挥着关键作用，其主要形成磷酸二酯键，以确保遗传信息的准确传递。同时，这一过程还涉及到多种相关的化学反应和酶的协同作用。 1. 磷酸二酯键的形成机制：DNA 聚合酶通过催化脱氧核苷酸之间的反应，将一个脱氧核苷酸的 5'磷酸基团与另一个脱氧核苷酸的 3'羟基相连，从而形成磷酸二酯键。这是 DNA 链延长的基础。 2. 对 ...

Scientists at deCODE genetics have unveiled a groundbreaking map of human DNA mixing during reproduction, offering insights into genetic diversity, health, and fertility. Credit: SciTechDaily.com ...

With the Lunar New Year just around the corner, Riot Games has shed light on a new skin bundle coming to Valorant to celebrate the Year of the Snake. The new Helix skin bundle promises to be a ...

According to Chinese culture, each year is associated with an animal in a 12-year cycle. 2025 is known as the year of the snake. VALORANT has announced a new skin bundle, called the Helix, to ...

While the changes are exciting, the leaks posted this afternoon have stolen the show as the first images of the Year of the Snake bundle, also known as the Helix, have been revealed. While a release ...

Of course, though, testing a child's parentage based on physical features is far too subjective — that's typically where DNA tests come in. Such tests can offer a far more scientific way of ...

State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province ...

While most known types of DNA damage are fixed by our cells' in-house DNA repair mechanisms, some forms of DNA damage evade repair and can persist for many years, new research shows.