intron

[ in-tron ]

/ ˈɪn trɒn /

noun Genetics.

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 called intervening sequence.

Compare exon².

Origin of intron

1975–80; perhaps intr(o)- + -on¹

Words nearby intron

introject, introjection, intromission, intromit, intromittent, intron, Intropin, introrse, introspect, introspection, introspective

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for intron

intron

/ (ˈɪntrɒn) /

noun

biochem a stretch of DNA that interrupts a gene and does not contribute to the specification of a proteinCompare exon 2

Word Origin for intron

C20: from intr (agenic) (regi) on

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for intron

intron

A stretch of DNA in a gene that does not code for proteins. In eukaryotes, introns in a given gene separate stretches of DNA that contain instructions for constructing proteins. (Compare exon.)

Medical definitions for intron

intron

[ ĭn′trŏn ]

n.

A segment of a gene situated between exons that does not function in coding for protein synthesis.

Scientific definitions for intron

intron

[ ĭn′trŏn ]

A segment of a gene situated between exons that does not function in coding for protein synthesis. After transcription of a gene to messenger RNA, the transcriptions of introns are removed, and the exons are spliced together by enzymes before translation and assembly of amino acids into proteins. Compare exon.

单词	intron
释义	intron [ in-tron ] / ˈɪn trɒn / noun Genetics. 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 called intervening sequence. Compare exon². Origin of intron 1975–80; perhaps intr(o)- + -on¹ Words nearby intron introject, introjection, intromission, intromit, intromittent, intron, Intropin, introrse, introspect, introspection, introspective Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for intron intron / (ˈɪntrɒn) / noun biochem a stretch of DNA that interrupts a gene and does not contribute to the specification of a proteinCompare exon 2 Word Origin for intron C20: from intr (agenic) (regi) on Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for intron intron A stretch of DNA in a gene that does not code for proteins. In eukaryotes, introns in a given gene separate stretches of DNA that contain instructions for constructing proteins. (Compare exon.) The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for intron intron [ ĭn′trŏn ] n. A segment of a gene situated between exons that does not function in coding for protein synthesis. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for intron intron [ ĭn′trŏn ] A segment of a gene situated between exons that does not function in coding for protein synthesis. After transcription of a gene to messenger RNA, the transcriptions of introns are removed, and the exons are spliced together by enzymes before translation and assembly of amino acids into proteins. Compare exon. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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