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[op-uh-ron] /ˈɒp əˌrɒn/

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.
(genetics) a group of adjacent genes in bacteria functioning as a unit, consisting of structural genes and an operator

operon op·er·on (ŏp’ə-rŏn’)
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.
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.


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  • Operose

    [op-uh-rohs] /ˈɒp əˌroʊs/ adjective 1. industrious, as a person. 2. done with or involving much labor. /ˈɒpəˌrəʊs/ adjective (rare) 1. laborious 2. industrious; busy adj. “involving much labor,” 1670s, from Latin operosus “taking great pains, laborious, active, industrious,” from opus (genitive operis) “work” (see opus). Related: Operosity.

  • OPers

    1. Old Persian.

  • Opf

    Object Persistence Framework

  • Opes

    [ohp] /oʊp/ adjective, verb (used with or without object), oped, oping. Literary. 1. . /əʊp/ verb, adjective 1. an archaic or poetic word for open adj. short for open (adj.), early 13c. “not closed; not hidden;” originally as awake is from awaken, etc. As a verb from mid-15c. Middle English had ope-head “bare-headed” (c.1300).

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