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proenzyme

n.
1.any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active

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  • Idiom of the Day

    take out (something) or take (something) out
    to remove something from somewhere, to extract something
    The teacher asked us to take out our books. I took out some onions from the refridgerator.



    1.
    elicit

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    During excavations at a circle of standing stones in Avebury, England, in 1938, archaeologists found the body of a man who had been crushed under a falling stone in the 1320s when villagers tried to bury the stones.      .. More >>
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