Neutral variation

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  • had great diffi culty fi nding a title for this book. For long, the working title was Genetic Variation and Extinction. However, this title implies a causal and simple relationship between genetic variation and extinction. I do think that the study of genetic variation is extremely important for conservation biology but, as will become apparent while reading the text, I am not as sure that this relationship is as simple and straightforward as I thought when I began this voyage.

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  • This book is concerned with Ultra-Low-Frequency (ULF)-electromagnetic waves observed on the Earth and in Space. These are so-called geomagnetic variations or pulsations. Alfv´en’s discovery related to the influence of the strong magnetic field on the conducting fluids (magnetohydrodynamics) led to development of the concept that the ULF-waves are magnetospheric magnetohydrodynamic (MHD)-waves. MHD-waves at their propagation gather information about the magnetosphere, ionosphere, and the ground. There are two applied aspects based on using the ULF electromagnetic oscillations.

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học 'Respiratory Research cung cấp cho các bạn kiến thức về ngành y đề tài: Variations in autologous neutralization and CD4 dependence of b12 resistant HIV-1 clade C env clones obtained at different time points from antiretroviral naïve Indian patients with recent infection...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Human-macaque comparisons illuminate variation in neutral substitution rates...

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  • Chapter 23 - The evolution of populations. In this chapter, you should be able to: Explain why the majority of point mutations are harmless; explain how sexual recombination generates genetic variability; define the terms population, species, gene pool, relative fitness, and neutral variation; list the five conditions of Hardy-Weinberg equilibrium;...

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  • In a neutral temperature environment, the metabolic rate of humans produces more heat than is necessary to maintain the core body temperature at 37°C.A normal body temperature is ordinarily maintained, despite environmental variations, because the hypothalamic thermoregulatory center balances the excess heat production derived from metabolic activity in muscle and the liver with heat dissipation from the skin and lungs.

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  • Nucleotide variations that do not alter the protein-coding sequence have been routinely considered as neutral. In light of the developments we have seen over the last decade or so in the RNA processing and translational field, it would be proper when assessing these variants to ask if this change is neutral, good or bad.

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  • Synthetic rhamnolipids, derived from a natural diacylated glycolipid, RL-2,214, produced by Burkholderia(Pseudomonas) plantarii, were analyzed biophysically. Changes in the chemical structures comprised variations in the length, the stereochemistry and numbers of the lipid chains, numbers of rhamnoses, and the occurrence of charged or neutral groups.

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