引水渠 发表于 2025-3-28 15:09:19
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Mike Scherfner,Torsten Vollandn defining L°. because the average number of base pairs per turn, h°, largely depends on internal as well as external parameters (ionic strength, temperature, primary sequence of DNA, presence or absence of atypical structures, like Z-DNA, presence of local perturbations, due for example to the inte清晰 发表于 2025-3-29 14:45:05
roken and reformed when the junction moves along the DNA, early investigators proposed that branch migration required little energy and was driven by random diffusion. However, studies of the RecA protein of . have revealed that the process may be more equivalent to a unidirectional walk in which br不透明性 发表于 2025-3-29 19:09:35
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Mike Scherfner,Torsten Vollandis is exactly the situation found in most of the regulatory elements described so far in mammalian cells. Indeed, a characteristic form of gene regulation in eukaryotes appears to be mediated through .-acting elements located far upstream or even downstream of the promoter, the so-called enhancer el无聊的人 发表于 2025-3-30 06:35:47
is is exactly the situation found in most of the regulatory elements described so far in mammalian cells. Indeed, a characteristic form of gene regulation in eukaryotes appears to be mediated through .-acting elements located far upstream or even downstream of the promoter, the so-called enhancer el