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(4) Dates Coming Up Soon!

Nov '09
25
MCAT Question of the Day | MCAT Course


  • Q:

    You want to obtain a spontaneous mutant for Ampicillin resistance in a sample of E. coli. Of the strategies listed below, which is most likely to yield a result the fastest?

     

    A

    Plate the E. coli on medium with 1 g/mL Ampicillin

    B

    Plate the E. coli on medium with 1 μg/L Ampicillin

    C

    Plate the E coli on a linear gradient medium from a concentration of 1μg/L to a 1 g/mL.

    D

    None; the rise of spontaneous mutants is random and cannot be controlled by any of the methods listed




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