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 ...
The Kowalinski group at EMBL Grenoble discovered notable differences between the nuclear cap-binding complex in trypanosomes and humans, a critical component in cellular RNA metabolism. Trypanosomes ...
As the capabilities of generative AI models have grown, you've probably seen how they can transform simple text prompts into hyperrealistic images and ...
While scientists still aren’t sure how phosphine wreaks so much havoc on the body, some are developing medications that can help mitigate the harm it causes.
Caltech has joined a major program through the National Institutes of Health (NIH) to help characterize the trillions of viruses that live harmlessly ...