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beta-lactamase

n.
1.enzyme produced by certain bacteria that inactivates penicillin and results in resistance to that antibiotic

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    Idiom of the Day

    more (something) than one can shake a stick at
    a lot, too many to count
    There are more ants than you can shake a stick at in the kitchen.



    1.
    Ming’s blatant lie revealed that he suffered no ________ about being dishonest to his parents.

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