单调性
发表于 2025-3-26 23:07:28
titute about 85% of the total RNA and roughly 70% of the total nucleic acids. The ribosomal RNA genes are, therefore, a reasonable target for growth signals. By increasing ribosomal RNA synthesis the cell provides most of its nucleic acids, as well as the framework where proteins are synthesized. It
沙草纸
发表于 2025-3-27 01:07:43
Michael Carrolln quite conclusively that inactive genes in the injected nuclei can be activated without any nuclear division or DNA synthesis. It is possible that oocytes are special but the inescapable implication is that cell division is not essential for all kinds of gene activation. In this paper we discuss ev
优雅
发表于 2025-3-27 07:50:14
Michael Carrolln quite conclusively that inactive genes in the injected nuclei can be activated without any nuclear division or DNA synthesis. It is possible that oocytes are special but the inescapable implication is that cell division is not essential for all kinds of gene activation. In this paper we discuss ev
acetylcholine
发表于 2025-3-27 09:30:06
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CRUE
发表于 2025-3-27 16:32:49
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MAL
发表于 2025-3-27 18:33:53
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故意
发表于 2025-3-28 01:38:37
Michael Carrollences (de Villiers, 1994). HPVs can be divided into several subsets on the basis of their epithelial tropism. Involved anatomic regions are the skin, the oral cavity and the anogenital tract. The best characterised HPVs are those that infect the anogenital mucosa. Altogether, 26 such have been found
Femish
发表于 2025-3-28 06:07:48
Michael Carroll being the best choice for sensitive, high resolution multicolor imaging. Images should be collected using Nyquist sampling and images should be corrected for background intensity contributions and nonuniform illumination across the field of view. Photostable fluorescent probes and proteins that abs
BIDE
发表于 2025-3-28 06:25:22
Michael Carrollron microscopy methods for specimen preparation. Therefore, many familiar techniques for ultrathin specimen preparation can be applied. It is essential that only refractive index differences exist in those areas that are of interest and that the further specimen is as optically homogenic as possible
Choreography
发表于 2025-3-28 11:16:56
Michael CarrollIts effect on immortalization is particularly striking in human cells. Mouse cells have a quite limited life span in culture (approximatelyl0–20 generations) but can spontaneously become immortal at a measurable frequency; infection with wild-type SV40 results in almost 100% occurrence (Tevethia et