Doxorubicin is a commonly used chemotherapy drug that prevents cells from dividing by acting as a topoisomerase inhibitor. If topoisomerase is required for DNA replication, which stage of the cell cycle would be affected by this drug?

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G2 phase


S phase


M phase


G1 phase


asked May 2, 2013 in Genetics by anonymous

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S phase
answered May 2, 2013 by anonymous

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