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Kaplan Qbank USMLE



Author5 Posts
  #1

Whats the most common method of cancer cells becoming resistant to methotrexate?

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  #2

MDRP ???

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  #3

Incorrect

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Smell the coffee! "Is That an Osler move??"

  #4

Resistance in cancer cells can be due to amplification(production of additional copies) of genes that codes for dihydrofolate reductase resulting in increased levels of this enzyme.

  #5

Yes, the key word- amplification.

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