what does homologation mean?
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Definitions &Translations Freebase (0.00 / 0 votes) Rate this definition: Homologation Homologation is a technical term, derived from the Greek homologeo for to agree, which is generally used in English to signify the granting of approval by an official authority. This may be a court of law, a government department, or an academic or professional body, any of which would normally work from a set of strict rules or standards to determine whether such approval should be given.
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Definitions &Translations Homologation is the granting of approval by an official authority. This may be a court of law, a government department, or an academic or professional body, any of which would normally work from a set of strict rules or standards to determine whether such approval should be given. The word may be considered very roughly synonymous with accreditation, and in fact in French and Spanish may be used with regard to academic degrees. Certification is another possible synonym, while to homologate is th
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Methylation In the chemical sciences, methylation denotes the addition of a methyl group to a substrate or the substitution of an atom or group by a methyl group.Methylation is a form of alkylation with a methyl group, rather than a larger carbon chain, replacing a hydrogen atom.n biological systems, methylation is catalyzed by enzymes; such methylation can be involved in modification of heavy metals, regulation of gene expression, regulation of protein function, and RNA processing. Methylation of heavy metals can also occur outside of biological systems.
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Evidence of Evolution: Homology HOMOLOGY. In biology, a HOMOLOGY is a characteristic shared by two species (or other taxa -- a taxon is the generic term for a classification group such as a Kingdom, a Phylum, etc.) that is similar because of common ancestry.
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Homologation Homologation (Greek homologeo, ὁμολογέω, to agree) is the granting of approval by an official authority. This may be a court of law, a government department, or an academic or professional body, any of which would normally work from a set of strict rules or standards to determine whether such approval should be given.
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- 5.2 Meiosis TerminologyHomolog. 1  Homologous chromosomes, or homologs, consist of the members of any given chromosome pair. One member of the homolog is the chromosome from the mother and the other member is from the father. 2  During meiosis, homologs pair together.
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Homology (biology) The principle of homology: The biological relationships (shown by colors) of the bones in the forelimbs of vertebrates were used by Charles Darwin as an argument in favor of evolution. In the context of biology, homology is the existence of shared ancestry between a pair of structures, or genes, in different taxa. A common example of homologous structures in evolutionary biology are the wings of bats and the arms of primates. Evolutionary theory explains the existence of homologous structures adapted to different purposes as the result of descent with modification from a common ancestor.
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Homologous recombination Homologous recombination is a type of genetic recombination in which nucleotide sequences are exchanged between two similar or identical molecules of DNA. It is most widely used by cells to accurately repair harmful breaks that occur on both strands of DNA, known as double-strand breaks.Homologous recombination also produces new combinations of DNA sequences during meiosis, the process by which eukaryotes make gamete cells, like sperm and egg cells in animals.t is most widely used by cells to accurately repair harmful breaks that occur on both strands of DNA, known as double-strand breaks. Homologous recombination also produces new combinations of DNA sequences during meiosis, the process by which eukaryotes make gamete cells, like sperm and egg cells in animals.
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Homology (biology) Biological structures or sequences in different taxa are homologous if they are derived from a common ancestor. Homology thus implies divergent evolution. For example, many insects (such as dragonflies) possess two pairs of flying wings.
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Homogenization (chemistry) Homogenization (chemistry) Homogenization or homogenisation is any of several processes used to make a mixture of two mutually non-soluble liquids the same throughout. This is achieved by turning one of the liquids into a state consisting of extremely small particles distributed uniformly throughout the other liquid. A typical example is the homogenization of milk, where the milk fat globules are reduced in size and dispersed uniformly through the rest of the milk.
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Homonym For homonyms in scientific nomenclature, see Homonym (biology) . In linguistics, a homonym is a word that has different meanings. In the strict sense, one of a group of words that share the same spelling and pronunciation but have different meanings.he word homonym comes from the Greek ὁμώνυμος (homonumos), meaning having the same name, which is the conjunction of ὁμός (homos), common, same and ὄνομα (onoma) meaning name. Thus, it refers to two or more distinct concepts sharing the same name or signifier.
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Homology (biology) The word homology, coined in about 1656, derives from the Greek ὁμόλογος homologos from ὁμός homos same and λόγος logos relation. In biology, two things are homologous if they bear the same relationship to one another, such as a certain bone in various forms of the hand.n the context of biology, homology is the existence of shared ancestry between a pair of structures, or genes, in different species. A common example of homologous structures in evolutionary biology are the wings of bats and the arms of primates.
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homo- 1. A prefix that is often misunderstood because it has two etymological meanings: -- a) From the Greek homos meaning same / the same, as in homosexuality (same-sex love), homogenous (uniform).(The opposite is hetero-from the Greek heteros meaning different from);-- b) From the Latin homo, meaning human / human being (a member of the genus Homo), as in Homo sapiens, hominophobia, homicide.. A prefix that is often misunderstood because it has two etymological meanings: -- a) From the Greek homos meaning same / the same, as in homosexuality (same-sex love), homogenous (uniform).
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Homology Definition noun, plural: homologies (1) A degree of similarity, as in position or structure, and that may indicate a common origin; a correspondence of structure
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Talk:Alternation of generations Alternation of generations. Alternation of generations, also called Metagenesis, or Heterogenesis, in biology, the alternation of a sexual phase and an asexual phase in the life cycle of an organism. The two phases, or generations, are often morphologically, and sometimes chromosomally, distinct.
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Homologous chromosome A couple of homologous chromosomes, or homologs, are a set of one maternal and one paternal chromosome that pair up with each other inside a cell during meiosis.
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- Freebase(0.00 / 0 votes)Rate this definition: Homologation is a technical term, derived from the Greek homologeo for to agree, which is generally used in English to signify the granting of approval by an official authority.
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Chris Lewis at the U of S Defining Homolog, Ortholog and Paralog. Homolog: A gene related to a second gene by descent from a common ancestral DNA sequence. The term homolog may apply to the relationship between genes separated by speciation (ortholog), OR to the relationship betwen genes originating via genetic duplication (see paralog). Ortholog: Orthologs are genes in different species that have evolved from a common ancestral gene via speciation (1).
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homologous Compare analogous. 2. Being a set of two pairs of chromosomes, one pair from the female parent and one from the male parent, having genes for the same trait in the same positions. Genes on homologous chromosomes may not have the same form, however.
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What is Homologous recombination? Homologous recombination is the process of genetic exchange that occurs between any two molecules of DNA that share a region (or regions) of homologous DNA sequences.
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Chris Lewis at the U of S Definition of Homolog, Ortholog and Paralog. It was suggested that I might want to provide definitions which made the difference between these terms clear. These definitions are provided here. Homolog. A gene related to a second gene by descent from a common ancestral DNA sequence. The term, homolog, may apply to the relationship between genes separated by the event of speciation (see ortholog) or to the relationship betwen genes separated by the event of genetic duplication (see paralog). Orthologs are genes in different species that evolved from a common ancestral gene by speciation.
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What does 'homologation' mean in the context of car history? Report Abuse. All volume production road vehicles go through a process of homologation which is a series of tests, calculations, measurements, etc. to ensure that they meet the legal requirements for that type of vehicle in the country in which they are to be sold.'ve recently come across this word in a number of Classic Car articles, but the context in which the word appears gives very few clues as to it's meaning.
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Homologous: Definition, Characteristics & Structure Examples Homologous Structures. A homologous structure is an organ, system, or body part that shares a common ancestry in multiple organisms. This definition is found in evolutionary biology, and uses the meaning of having a similar structure or origin.
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Definitions &Translations Define homogeneity: the quality or state of being of a similar kind or of having a uniform structure or composition throughout : the quality or state… the quality or state of being of a similar kind or of having a uniform structure or composition throughout : the quality or state of being…
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Homologous recombination Homologous recombination also produces new combinations of DNA sequences during meiosis, the process by which eukaryotes make gamete cells, like sperm and egg cells in animals.