Selection definition, an act or instance of selecting or the state of being selected; choice. Wörterbuch der deutschen Sprache. Auf diese Weise kommt es nach einer gewissen Zeit immer zur vollständigen Durchmischung zweier unterschiedlicher Stoffe (Konzentrationsausgleich). These are the ones that get highly-rated and positively-reviewed from users. Definition: Bei der Diffusion (lat. Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Home Questions Tags Users Unanswered What is a selective constraint? Selective breeding or artificial selection is when humans breed plants and animals for particular genetic characteristics. Hi there, r/biology! Katy teaches biology at the college level and did her Ph.D. work on infectious diseases and immunology. semipermeablen Membran (halb durchlässigen Membran) versteht man eine Membran, die zwar für das Lösungsmittel (meist Wasser), nicht aber für den gelösten Stoff durchlässig ist. In genetics, a selective sweep is the process through which a new beneficial mutation that increases its frequency and becomes fixed (i.e., reaches a frequency of 1) in the population leads to the reduction or elimination of genetic variation among nucleotide sequences that are near the mutation. Ask Question Asked 5 years, 3 months ago. Unter einer selektiv permeablen Membran bzw. Natural selection, process in which an organism adapts to its environment through selectively reproducing changes in its genotype. In the USA, military conscription is controlled by the Selective Service. This thread is archived. It reduces the disorganizing effects of migration, mutation, and genetic drift by multiplying the incidence of helpful mutations, since harmful mutation carriers leave few or … selective breeding definition: 1. the process of choosing only plants and animals with desirable characteristics to reproduce 2…. adj., adj selec´tive. Examples are provided. Definition of selective advantage in the Definitions.net dictionary. Get the definition for selectively permeable and learn how selective permeability differs from semipermeability. selectivity [sĕ-lek-tiv´ĭ-te] in pharmacology, the degree to which a dose of a drug produces the desired effect in relation to adverse effects. He's very selective and spent hours in the store choosing a new shirt. Selective reabsorption is one of the mammalian kidney's functions. selective pressure (of a person) choosy, fussy or discriminating when selecting. Definition, Rechtschreibung, Synonyme und Grammatik von 'selektiv' auf Duden online nachschlagen. How to use selective in a sentence. Selective breeding. PubMed. E.g. Derived terms . This offers the list of selective alternative recommendations for alternative hypothesis definition biology. I think you mean "selection pressure", which is the pressure of competition to survive and have surviving offspring. How to use nonselective in a sentence. It is a very effective method for the isolation and enumeration of microorganisms in the test water sample. (chiefly US, not comparable) Having the authority or capability to make a selection. I was wondering if anyone could elucidate how selective gene expression works with inserted genes or point me to a paper that can. Wen-Hsiung Li Search for other works by this author on: Oxford Academic. Membrane filtration method can define as the process of microbiological analysis of water by making the use of a special filter like membrane filter to trap the microorganisms. Lv 7. I can not find the definition of selective pressure!! Das Auge sieht nur, was der Geist bereit ist, zu begreifen. 0 0. They may be different colours and sizes, but they are all still dogs. Selective media are used for the growth of only selected microorganisms. question. See more. share. It is the process by which humans breed plants and animals for particular genetic characteristics. It is an advanced molecular technology that revolutionized the study of DNA more in medical and biological research like DNA mapping, DNA fingerprinting, forensics, detection of microorganisms, etc. They are all still the same species. Selective impairment in visual perception of biological motion in obsessive-compulsive disorder. Gancyclovir is an exception to the rule as it is used to specifically kill cells that carry its respective marker, the Herpes simplex virus thymidine kinase (HSV TK). It only takes a minute to sign up. 2 comments. Google Scholar. New comments cannot be posted and votes cannot be cast. Selective Breeding Definition Selective breeding, also known as artificial selection, is the process by which humans control the breeding of plants or animals in order to exhibit or eliminate a particular characteristic.. In this article you can find this example: For example, the hypothesis that a given floral trait is an adaptation enhancing the efficiency of bird-pollination would be tested by scoring subject taxa as having either the selective regime "bird-pollinated" or an alternative one (e.g., "insect-pollinated"). Sign up to join this community. grid selectivity a ratio comparing the transmitted primary radiation to the transmitted scatter radiation in an x-ray grid. Please help ASAP!! Author information: (1)Department of Psychology, Vanderbilt University, Nashville, Tennesse, USA. Selective growth media for eukaryotic cells commonly contain neomycin to select cells that have been successfully transfected with a plasmid carrying the neomycin resistance gene as a marker. Das Adjektiv selektiv bedeutet „nur eine bestimmte Auswahl treffend“.. Der Ursprung des Wortes liegt im Lateinischen. Selective Permeability[edit] Probably the most important feature of a biomembrane is that it is a selectively permeable structure. Biological definition of selective pressure? Source(s): biological definition selective pressure: https://tr.im/7dfX9. selective reabsorption: the re-entry of a specific material into body tissue to avoid a deficiency within the body of that material. Biologie-Lexikon, Biologie-Forum. Henri-Louis Bergson Vorbemerkung: Die Anzahl Informationen, die jede Sekunde auf den Menschen einströmen, ist weit jenseits von allem, das menschliche Gehirn verarbeiten kann, sodass meiste dem, man sieht, hört, selective reabsorption The absorption of some of the components of the glomerular filtrate back into the blood as the filtrate flows through the nephrons of the kidney. diffundere = ausbreiten) handelt es sich um einen passiv-ablaufenden Prozess, der die Tendenz von Teilchen beschreibt, sich gleichmäßig in einem Raum zu verteilen. Meaning of selective advantage. save hide report. Nonselective definition is - not selective: such as. Systematic biology 40:1. PCR aims to yield more copies of desired DNA sequence or provides different scopes in studying the DNA. Learn more. What does selective advantage mean? Biology Stack Exchange is a question and answer site for biology researchers, academics, and students. Pedigree dogs come in lots of different varieties. Glucose, amino acids, and salts can be reabsorbed against a concentration gradient and their transport across the nephron into the capillaries requires energy (see active transport). Definition of Membrane Filtration Method. Information and translations of selective advantage in the most comprehensive dictionary definitions resource on the web. Definition, Synonyms, Translations of Selective permeability by The Free Dictionary how you could manage to make a single tissue glow via GFP. Some examples of selective media include: 67% Upvoted. 1 decade ago. Kim J(1), Blake R, Park S, Shin YW, Kang DH, Kwon JS. Selective breeding is also known as artificial selection. Definition of PCR. Selective definition is - of, relating to, or characterized by selection : selecting or tending to select. Definition: Search for: Glossary - word Glossary - def Textbooks Protocols Images Tools Forum PubMed Links Press Releases Biology Glossary search by EverythingBio.com Définition sélectrice dans le dictionnaire de définitions Reverso, synonymes, voir aussi 'sélective',sélecter',select',sélectif', expressions, conjugaison, exemples A selective agent is an environment based factor which has huge impact on the mortality rate of any organism. Facts Matter. Selective Gene Expression. Google Scholar. PubMed. Wen-Hsiung Li. Selective Constraints, Amino Acid Composition, and the Rate of Protein Evolution Nicolas J. Tourasse, Nicolas J. Tourasse Search for other works by this author on: Oxford Academic. 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