definition of exon
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Exon For other uses, see Exon (disambiguation). An exon is any part of a gene that will become a part of the final mature RNA produced by that gene after introns have been removed by RNA splicing. The term exon refers to both the DNA sequence within a gene and to the corresponding sequence in RNA transcripts. In RNA splicing, introns are removed and exons are covalently joined to one another as part of generating the mature messenger RNA.
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eon Eon, a variation of aeon, is defined as  a unit of geological time equal to a billion years, or a very long period of time. An example of an eon is the unit of measure used when talking about how long ago the solar system was created. An example of an eon is the amount of time since dinosaurs roamed the earth.
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axon axon definition. The part of a nerve cell or neuron that transfers a nerve impulse from the nerve cell body to a synapse with another cell. (See action potential.) Depending on the location of the cell, the length of an axon can vary widely. In some cases (such as the axons that form the spinal cord), they may be several feet long.
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ex Definition of ex. 1 : out of : from: such asa : from a specified place or sourceb : from a specified dam a promising calf by Eric XVI ex Heatherbell.
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The Ex (band) The Ex (band) The Ex are an underground band from the Netherlands that formed in 1979 at the height of the original punk explosion. Initially known as an anarcho-punk band, they have since released over 20 full-length albums of musical experiments and numerous collaborations blending punk and free jazz with styles of folk music from all over the world.
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- Define exciton: a mobile combination of an electron and a hole in an excited crystal (as of a semiconductor) a mobile combination of an electron and a hole in an excited crystal (as of a semiconductor)… See the full definition
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- Thermo Scientific Exonuclease I (ExoI) degrades single-stranded DNA in a 3'→5' direction.
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ex ex. 1  Not including; without: a stock price ex dividend. 2  Free of any transport or handling charges incurred before removal from a given location: bought the goods ex warehouse. 3  From, but not having graduated with, the class of: a Columbia alumnus, ex '95.
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- For other uses, see Exon (disambiguation) . An exon is any part of a gene that codes for a part of the final mature RNA product of that gene after introns have been removed by RNA splicing. The term exon refers to both the DNA sequence within a gene and to the corresponding sequence in RNA transcripts.In RNA splicing, introns are removed and exons are covalently joined to one another as part of generating the mature messenger RNA.he term exon refers to both the DNA sequence within a gene and to the corresponding sequence in RNA transcripts.
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Exabyte The exabyte is a multiple of the unit byte for digital information. The prefix exa indicates multiplication by the sixth power of 1000 (10 18) in the International System of Units (SI). Therefore one exabyte is one quintillion bytes (short scale). The symbol for the exabyte is EB. A related unit, the exbibyte, using a binary prefix, is equal to 10246bytes, about 15% larger.
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- exogenous definition, exogenous meaning | English dictionary. Search also in: Web News Encyclopedia Images. exogenous. adj. 1 having an external origin. 2 (Biology) a developing or originating outside an organism or part of an organism. b of or relating to external factors, such as light, that influence an organism.
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Axon An axon (from Greek ἄξων áxōn, axis), is a long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body. Axons are also known as nerve fibers. The function of the axon is to transmit information to different neurons, muscles and glands.
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- aeon. n. 1. an immeasurably long period of time; age. 2. (Astronomy) a period of one thousand million years. have a dream of laying my head on your breast and sleeping an aeon or so, and the dream will come true ere another year is gone. Martin Eden by London, Jack View in context. I sighed, following the sartorial train of thought, even to the loathly arrows that had decorated my person once already for a little aeon.
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- As defined by Dictionary.com, an eon can either refer to an indefinitely long time period such as an historical age, or specifically one billion years when used as a measurement of time in astronomy. When used geologically, it refers to the former definition, comprising two or more eras.
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extension ex·ten·sion (ĭk-stĕn′shən) n. 1. The act of extending or the condition of being extended: the extension of the subway into the suburbs. 2. The amount, degree, or range to which something extends or can extend: The wire has an extension of 50 feet. 3. a. The act of straightening or extending a limb. b. The position assumed by an extended limb. 4.
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Difference Between Exons and Introns 1. Exons are coding areas whereas introns are non-coding areas. 2. An exon is termed as a nucleic acid sequence which is represented in the RNA molecule. Introns, on the other hand, are termed as nucleotide sequences seen within the genes which are removed through RNA splicing for generating a mature RNA molecule. 3.
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exciton exciton (plural excitons) A bound state of an electron and an electron hole in an insulator or semiconductor; Derived terms
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- 1 Exo microbiology (or Astro microbiology): The study of microorganisms in outer space (see: List of microorganisms tested in outer space)  Biological agent: The study of those microorganisms which are being used in weapon industries.
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- Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  anon(adverb) at another time. ever and anon. 2  anon(adverb) (old-fashioned or informal) in a little while. see you anon.
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- EXE (executable) files, such as NX.EXE, are files that contain step-by-step instructions that a computer follows to carry out a function. When you double-click an EXE file, your computer automatically executes these instructions designed by a software developer (eg. Next Step Publishing) to run a program (eg.
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Exonuclease I (20 U/ÂµL) Thermo Scientific Exonuclease I (ExoI) degrades single-stranded DNA in a 3'→5' direction. It releases deoxyribonucleoside 5'-monophosphates in a stepwise manner and leaves 5'-terminal dinucleotides intact. It does not cleave DNA strands with terminal 3'-OH groups blocked by phosphoryl or acetyl groups. Highlights.
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What is the difference between exons and introns? Making the world better, one answer at a time. The difference between exons and introns is that exons are codes of proteins, while introns are not involved with the coding for proteins.aking the world better, one answer at a time. The difference between exons and introns is that exons are codes of proteins, while introns are not involved with the coding for proteins.
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What is the difference between exons and introns? Exons and introns are part of the mRNA. During transcription inside the nucleus, introns are removed from the mRNA because they are not coded to make a protein. Exons are then … joined together because that is the part required for translation.
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EX • EX (noun) The noun EX has 3 senses: 1. a man who was formerly a certain woman's husband. 2. a woman who was formerly a particular man's wife. 3. the 24th letter of the Roman alphabet. Familiarity information: EX used as a noun is uncommon.
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- 10 meanings of EXO acronym and EXO abbreviation. Get the definition of EXO by All Acronyms dictionary. Top Definition: Executive Officer
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- Transcrition/translation - Exons and introns. In most eukaryotic genes, coding regions (exons) are interrupted by noncoding regions (introns). During transcription, the entire gene is copied into a pre-mRNA, which includes exons and introns. During the process of RNA splicing, introns are removed and exons joined to form a contiguous coding sequence. This mature mRNA is ready for translation.