nikizee
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Topics: 8
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A clone of cancer cells is resistant to vincristine, doxorubicin, and dactinomycin but not to methotrexate and various alkylating agents. The mechanism of resistance is most likely to involve
A ) Absence of superoxide dismutase
B ) Altered DNA polymerase
C ) Enhanced drug transport out of the cell
D ) Inability to form polyglutamates
E ) Increased DNase
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| new_n_lost
Forum Hero
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http://www.prep4usmle.com/forum/thread/55682
http://www.prep4usmle.com/forum/thread/55976
Plz Go thru the following links
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