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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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  • operculum
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  • opheodrys aestivus
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  • saudi arabian
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  • monstera deliciosa
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    Idiom of the Day

    pour out one's heart to (someone)
    to tell everything about something to someone
    The girl poured out her heart to her mother when her mother returned home from work.



    1.
    The bus could not (a) / ascend the steep hill (b) / because it was in the wrong gears. (c) / No error (d)

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