作者: 濃縮 時(shí)間: 2025-3-21 20:42 作者: BILIO 時(shí)間: 2025-3-22 00:47 作者: 先兆 時(shí)間: 2025-3-22 08:19 作者: 挖掘 時(shí)間: 2025-3-22 09:32 作者: CANE 時(shí)間: 2025-3-22 15:50
Piers Graygenome of 2?×?3.26?billion?bp, lines up to a length of some 2?m, i.e. 200,000 times the diameter of an average mammalian nucleus. Packing DNA inside the nucleus therefore imposes tremendous organizational challenges. The highly condensed packing of genomic DNA is achieved through i) wrapping it arou作者: 適宜 時(shí)間: 2025-3-22 18:17
Piers Graycal processes in the context of development and cellular responses. The present understanding of the function of histone modifications is summarized in the histone code model..There are two pairs of chromatin modifying enzymes, each with antagonizing activity: histone acetylases and deacetylases and作者: 眨眼 時(shí)間: 2025-3-22 21:43
hat insulate genes located in one chromatin domain from promiscuous regulation by enhancers or silencers in neighboring domains. The genome regulator CTCF has tens of thousands DNA-binding sites in human cells, many of which are located in intergenic regions, such as insulators. Most of these sites 作者: 值得尊敬 時(shí)間: 2025-3-23 02:24
Piers Grayf gastroduodenal epithelial bicarbonate secretion;. the structure of mucus. measurements of pH gradients adjacent to the mucosal surface. and observations on the adherent mucus gel layer in situ.. Although permeable to hydrogen and bicarbonate ions, mucus is not permeable to large molecular weight p作者: 職業(yè) 時(shí)間: 2025-3-23 06:37 作者: 音的強(qiáng)弱 時(shí)間: 2025-3-23 12:58 作者: 袋鼠 時(shí)間: 2025-3-23 16:07
ic information. This supports the principal role for CTCF in the genome-wide organization of chromatin architecture..In this chapter, we present CTCF as the critical nuclear protein for mediating the function of insulators. We will discuss different types of insulators and the role of chromatin loop作者: semiskilled 時(shí)間: 2025-3-23 18:11 作者: 吸氣 時(shí)間: 2025-3-23 23:33
Introduction: Inventing Traditions,eir lives: understanding their lives justifies the attempt to understand their words — to do criticism. And this is simply the confirmation of the extraordinary illusion of language — somehow arbitrary sounds and signs are naturalized and the isolation of selves is transcended.作者: 浪蕩子 時(shí)間: 2025-3-24 02:36
The Childhood of Edward Thomas,s one I have never proposed to myself, but I have many times gone up to the edge of it, peering, listening, stretching out my hands…’ These curious sentences make up the opening of the autobiographical fragment which now bears the title .. It was not published until 1938 — twenty-one years after Thomas was killed at Arras:作者: Notorious 時(shí)間: 2025-3-24 07:45
Book 1991In prose and poetry the selections contained here reveal the personal experiences, feelings and angst of three English writers who lived through World War I.作者: Odyssey 時(shí)間: 2025-3-24 13:41 作者: 托人看管 時(shí)間: 2025-3-24 16:24 作者: 四海為家的人 時(shí)間: 2025-3-24 22:39 作者: legitimate 時(shí)間: 2025-3-25 00:16 作者: Narcissist 時(shí)間: 2025-3-25 06:50 作者: 技術(shù) 時(shí)間: 2025-3-25 08:47 作者: Microgram 時(shí)間: 2025-3-25 13:30
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