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operon

n.
1.a segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene

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Word of the Day

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  • operetta
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  • operculum
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  • operculated
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  • operculate
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  • operator gene
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  • operator
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  • operatively
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  • operative field
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  • operative
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  • operations research
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  • operoseness
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  • opheodrys
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  • opheodrys aestivus
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  • opheodrys vernalis
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  • ophidia
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  • ophidian
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  • ophidiidae
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  • ophidism
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  • ophiodon
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  • ophiodon elongatus
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  • mortgage
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  • intelligent
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  • well-lined
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  • papaver somniferum
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  • adulthood
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  • roil
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  • poke into
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  • dallier
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  • quasi-religious
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  • sedation
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    Idiom of the Day

    in advance
    ahead of time
    We bought the tickets in advance so we could get a good seat.



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    Do we have any candy ________ in the car?

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