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operator gene
n.
1.a gene that activates the production of messenger RNA by adjacent structural genes
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operator
operatively
operative field
operative
operations research
operations
operationally
operationalist
operationalism
operational damage
English Test
English Test question and answers to keep your language knowledge up-to-date.
operculate
operculated
operculum
operetta
operon
operoseness
opheodrys
opheodrys aestivus
opheodrys vernalis
ophidia
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gas thermometer
wpm
arenaria peploides
marri
george eastman
adjunct
cinnamon bark
raving mad
quandong tree
cittern
Idiom of the Day
past master at (something)
someone who is extremely good or skillful at something
The chef is a past master at cooking with various kinds of sauces.
1.
It's too late to call her now.
a.
It's = it is
b.
It's = it has
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Fact
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda.
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