1) Deoxyribonucleic acid 2) Desoxyribonucleic acid 3) Gene expression
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https://www.crosswordclues.com/clue/intron
An intron is any nucleotide sequence within a gene that is removed by RNA splicing while the final mature RNA product of a gene is being generated. The term intron refers to both the DNA sequence within a gene and the corresponding sequence in RNA transcripts. Sequences that are joined together in the final mature RNA after RNA splicing are exons....
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http://en.wikipedia.org/wiki/Intron
Non-coding sequence within
genes which separates the exons (coding regions). Note: Introns are spliced out of the messenger RNA molecule created from a
gene after tr...
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http://sis.nlm.nih.gov/enviro/iupacglossary/glossaryi.html
(from the article `heredity`) ...is called a poly(A) tail, which is characteristic of all eukaryotic DNA. At the 5 end of the mRNA, a modified guanine nucleotide, called a cap, is ... ...revealed that portions of newly synthesized RNA molecules are cut out and discarded. In many genes, the regions coding for proteins are ... ...artic...
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http://www.britannica.com/eb/a-z/i/35
The unneeded DNA that is does not code for anything; Filler DNA, Junk DNA or nonsense DNA; Long regions of DNA with no apparent function that separate the exons. See Exons.
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http://www.cat-world.com.au/glossary
DNA whose nucleotide sequence does not code for a product. An intron is
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http://www.cattlepages.com/dictionary/
A portion of messenger RNA (mRNA), as transcribed from the DNA of a eukaryote, which is removed by enzymes before the mRNA matures and is transplanted into protein. The portions of mRNA that remain after the excision of the introns are known as exons.
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http://www.daviddarling.info/encyclopedia/I/intron.html
A noncoding DNA sequence within a gene that is initially transcribed into messenger RNA but is later snipped out. See Coding, DNA, Messenger RNA, Transcription.
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http://www.encyclo.co.uk/local/20095
<molecular biology> A noncoding sequence of DNA within a gene, that is transcribed into hnRNA but is then cut out of the message by RNA splicing in the nucleus, leaving a mature mRNA that is then translated in the cytoplasm. ... Introns are poorly conserved and of variable length, but the regions at the ends are self complementary, allowing a...
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http://www.encyclo.co.uk/local/20973
A segment of DNA that does not code for protein; the intervening sequence of nucleotides between coding sequences or exons.
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http://www.encyclo.co.uk/local/21016
A eucaryotic DNA segment that does not code for protein but may interrupt segments which do encode protein. Contrast with Exons, the coding sequences.
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http://www.encyclo.co.uk/visitor-contributions.php
(= intervening sequence) A non-coding sequence of DNA within a gene (cf. exon), that is transcribed into hnRNA but is then removed by RNA splicing in the nucleus, leaving a mature mRNA that is then translated in the cytoplasm. Introns are poorly conserved and of variable length, but the regions at the ends are self-complementary, allowing a hairpin structure to form naturally in the hnRNA; this is the cue for removal by RNA splicing. Introns are thought to play an important role in allowing rapid evolution of proteins by exon shuffling. Genes may contain as many as 80 introns.
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The nucleotide sequences of some genes consist of parts that code for amino acids, and other parts that do not code for amino acids interspersed among them. The interspersed non-coding parts, which are not translated, are called introns; the coding parts are called exons.
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http://www.fossilmall.com/Science/Glossary.htm
Type: Term Pronunciation: in′tron Definitions: 1. A portion of DNA that lies between two exons, is transcribed into RNA, but does not appear in that mRNA after maturation because the intron is removed and the exons spliced together, and so is not expressed (as protein) in protein synthesis. By customary usage, the term is extended to the corr...
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http://www.medilexicon.com/medicaldictionary.php?t=45431
Intron: Part of a gene that is initially transcribed into the primary RNA transcript but then removed from it when the exon sequences on either side of it are spliced together. Also called an intervening sequence.
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http://www.medterms.com/script/main/art.asp?articlekey=4026
[
n] - sequence of a eukaryotic gene`s DNA that is not translated into a protein
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http://www.webdictionary.co.uk/definition.php?query=intron
intron A segment of a gene situated between exons that is removed before translation of messenger RNA and does not function in coding for protein synthesis.
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http://www.wordinfo.info/words/index/info/view_unit/2190/2
intervening sequence of a eukaryotic gene that does not code for protein and whose corresponding RNA sequences are removed from the primary transcript during splicing
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https://courses.lumenlearning.com/microbiology/chapter/glossary/
a noncoding segment in a length of DNA that interrupts a gene-coding sequence or nontranslated sequence, the corresponding segment being removed from the RNA copy before transcription. Also calledCf. exon.
Found on
https://www.infoplease.com/dictionary/intron
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