Fibrinogen
发表于 2025-3-25 07:05:55
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allergy
发表于 2025-3-25 08:16:01
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吸引力
发表于 2025-3-25 14:24:45
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等待
发表于 2025-3-25 16:05:36
The Packaging of DNA in Bacteriophage Lambda,y aspects of bacteriophage structure remain unreasolved. It is not known how the DNA is arranged three-dimensionally within the capsid, nor is the mechanism of packaging understood. However, some general features of lambda structure have been discerned (Review: Earnshaw and Casjens 1980). For exampl
pacific
发表于 2025-3-25 22:02:11
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micronutrients
发表于 2025-3-26 02:46:02
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fulcrum
发表于 2025-3-26 06:54:21
New Electron Microscopic Data on the Structure of the Nucleoid and Their Functional Consequences, bacterium is considered to be a single chromosome. A simple mechanism of division would allow an equipartition of the bacterial genome, in contrast to organisms with multiple chromosomes, where the chromosomes, condensed in metaphase, are presumably separated by the mitotic spindle fibers. In the c
ADJ
发表于 2025-3-26 08:42:48
Detection and Identification of Proteins Cross-Linked in Vivo to Nucleic Acids,rm from . species (Sloof et al. 1983), but the forces which maintain a compact conformation are easily disrupted, preventing extensive purification. Chromosomes from . have only been isolated in an artificially compacted form. Compaction has been induced, for example, by addition of polyamines (Korn
阴郁
发表于 2025-3-26 13:52:09
Proteins Associated with Chromatin from ,,ined either as membrane-free or membrane-associated depending on the type of detergent and ionic strength used when lysing the cells (Worcel and Burgi 1972; Pettijohn 1976). Studies with in vitro high-salt nucleoids isolated from . have shown that the DNA in these particles is separated into a numbe
Invertebrate
发表于 2025-3-26 20:14:54
Proteins from the Prokaryotic Nucleoid. Structural and Functional Characterization of the , DNA-Bin that bacterial DNA is indeed organized in nucleosomelike structures by histonelike proteins. Since the problem of the physical packaging and confinement of the genetic material can be regarded as a fundamental problem in all biological systems and in light of the underlying architectural unity of a