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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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Word of the Day

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  • productivity
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  • product-moment correlation coefficient
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    Idiom of the Day

    put out (some) feelers or put (some) feelers out
    to attempt to find out something without being too obvious about it
    I put out some feelers to see if it would be easy to find another job.



    1.
    George was worried ________ his father's health.

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