operon

operon

[op-uh-ron]
noun Genetics.
a set of two or more adjacent cistrons whose transcription is under the coordinated control of a promoter, an operator, and a regulator gene.

Origin:
1960–65; < French opéron, equivalent to opér(er) to work, operate + -on -on1

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World English Dictionary
operon (ˈɒpəˌrɒn)
 
n
genetics a group of adjacent genes in bacteria functioning as a unit, consisting of structural genes and an operator
 
[C20: from operate]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

operon op·er·on (ŏp'ə-rŏn')
n.
A unit of gene activity consisting of a sequence of genetic material that functions in a coordinated manner to control the production of mRNA and that consists of an operator gene, a promoter, and two or more structural genes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
operon   (ŏp'ə-rŏn')  Pronunciation Key 
A sequence of genetic material that functions in a coordinated manner, consisting of an operator, a promoter, and one or more structural genes that are transcribed together. Operons were first found in prokaryotes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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