Endometrium
发表于 2025-3-25 04:53:59
Walter Leschnd their genetic material) the fully nucleated eukaryote came—but how rapidly? Prokaryotic evolution was preceded by the chemical evolution leading to polynucleotide self-replication, although no fossils are recognized from that period. Auto-catalysis must have been required at that stage. But autoc
Engaged
发表于 2025-3-25 08:05:18
Christian Thomasf aging are discussed. The first proposes that aging results from processes intrinsic to each cell, which may involve mutations and other types of random macromolecular damage. The second proposes that aging in the organism is regulated by factors extrinsic to most cells, such as hormones. The prese
最有利
发表于 2025-3-25 11:51:09
Ruth Kaufmann-Hayoz,Christian Häuselmann,Wolfgang Gessnerany maternally preformed, high-molecular-weight components, including both enzymes and molecular building blocks to be used long after fertilization. All presently investigated cellular macromolecules, with the exception of DNA, are found in excess in fertilized egg cells, compared to levels in matu
enumaerate
发表于 2025-3-25 18:37:48
David J. Kriegercturing the chemistry of the evolving planet. In looking at biological organization, we must first understand the hardware before we can move to the software. Examining the physics underlying prebiotic chemistry, we see a number of examples of high organization: vesicle formation, electron and proto
parsimony
发表于 2025-3-25 22:43:36
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Ceramic
发表于 2025-3-26 01:26:12
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Allowance
发表于 2025-3-26 07:37:05
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Gratulate
发表于 2025-3-26 09:16:57
lpful to measure and to compare different localization systems, which only need exact localization in a local context independently from specific scenario or hardware requirements. In this paper, we try to shed light on the question how to compare those very different techniques. In particular, we s
拱墙
发表于 2025-3-26 16:41:04
Walter Leschtions can be identified and taken appropriately into account in order to eliminate the emergence of undesirable solutions that lie near the point where the phase transition occurs. As an example we present a simple power control problem for a macrocell-femtocell network scenario. We formulate a dist
perimenopause
发表于 2025-3-26 20:51:16
many assembly steps can occur in only one particular order, and only one capsid structure generally forms despite the possibility of alternative structures with roughly equal thermodynamic stability. Both features can be explained by rate controls on assembly steps. In T4, different kinds of protein